Home / 527,132.74-790,699.21-190,173.28

Finding the Fourth Proportional to 527,132.74, 790,699.21 and 190,173.28

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Solution

The fourth proportional to 527,132.74, 790,699.21 and 190,173.28 is: 285,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,132.74 : 790,699.21 = 190,173.28 : x
  2. Step 2: Convert to fraction form
    527,132.74/790,699.21 = 190,173.28/x
  3. Step 3: Cross multiply
    527,132.74x = 790,699.21 × 190,173.28
  4. Step 4: Simplify right side
    527,132.74x = 150,369,862,259.11
  5. Step 5: Solve for x
    x = 150,369,862,259.11/527,132.74
  6. Step 6: Final answer
    x = 285,259.96

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Double scale
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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.