Home / 1,183,211.40-1,774,817.10-509,615.40

Finding the Fourth Proportional to 1,183,211.40, 1,774,817.10 and 509,615.40

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Solution

The fourth proportional to 1,183,211.40, 1,774,817.10 and 509,615.40 is: 764,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,211.40 : 1,774,817.10 = 509,615.40 : x
  2. Step 2: Convert to fraction form
    1,183,211.40/1,774,817.10 = 509,615.40/x
  3. Step 3: Cross multiply
    1,183,211.40x = 1,774,817.10 × 509,615.40
  4. Step 4: Simplify right side
    1,183,211.40x = 904,474,126,343.34
  5. Step 5: Solve for x
    x = 904,474,126,343.34/1,183,211.40
  6. Step 6: Final answer
    x = 764,423.10

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Half scale
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Double scale
Find fourth proportional to 1,183,212.40, 1,774,818.60 and 509,616.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.