Home / 437,928.10-656,892.15-437,928.10

Finding the Fourth Proportional to 437,928.10, 656,892.15 and 437,928.10

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Solution

The fourth proportional to 437,928.10, 656,892.15 and 437,928.10 is: 656,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,928.10 : 656,892.15 = 437,928.10 : x
  2. Step 2: Convert to fraction form
    437,928.10/656,892.15 = 437,928.10/x
  3. Step 3: Cross multiply
    437,928.10x = 656,892.15 × 437,928.10
  4. Step 4: Simplify right side
    437,928.10x = 287,671,531,154.42
  5. Step 5: Solve for x
    x = 287,671,531,154.42/437,928.10
  6. Step 6: Final answer
    x = 656,892.15

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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.