Home / 440,160.90-663,635.87-437,428.52

Finding the Fourth Proportional to 440,160.90, 663,635.87 and 437,428.52

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Solution

The fourth proportional to 440,160.90, 663,635.87 and 437,428.52 is: 659,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,160.90 : 663,635.87 = 437,428.52 : x
  2. Step 2: Convert to fraction form
    440,160.90/663,635.87 = 437,428.52/x
  3. Step 3: Cross multiply
    440,160.90x = 663,635.87 × 437,428.52
  4. Step 4: Simplify right side
    440,160.90x = 290,293,259,185.67
  5. Step 5: Solve for x
    x = 290,293,259,185.67/440,160.90
  6. Step 6: Final answer
    x = 659,516.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.