Home / 514,905.60-772,358.40-437,145.60

Finding the Fourth Proportional to 514,905.60, 772,358.40 and 437,145.60

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Solution

The fourth proportional to 514,905.60, 772,358.40 and 437,145.60 is: 655,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,905.60 : 772,358.40 = 437,145.60 : x
  2. Step 2: Convert to fraction form
    514,905.60/772,358.40 = 437,145.60/x
  3. Step 3: Cross multiply
    514,905.60x = 772,358.40 × 437,145.60
  4. Step 4: Simplify right side
    514,905.60x = 337,633,076,183.04
  5. Step 5: Solve for x
    x = 337,633,076,183.04/514,905.60
  6. Step 6: Final answer
    x = 655,718.40

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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.