Home / 945,140.40-1,417,710.60-345,902.40

Finding the Fourth Proportional to 945,140.40, 1,417,710.60 and 345,902.40

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Solution

The fourth proportional to 945,140.40, 1,417,710.60 and 345,902.40 is: 518,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,140.40 : 1,417,710.60 = 345,902.40 : x
  2. Step 2: Convert to fraction form
    945,140.40/1,417,710.60 = 345,902.40/x
  3. Step 3: Cross multiply
    945,140.40x = 1,417,710.60 × 345,902.40
  4. Step 4: Simplify right side
    945,140.40x = 490,389,499,045.44
  5. Step 5: Solve for x
    x = 490,389,499,045.44/945,140.40
  6. Step 6: Final answer
    x = 518,853.60

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Half scale
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Double scale
Find fourth proportional to 945,141.40, 1,417,712.10 and 345,903.40
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.