Home / 656,345.61-905,839.43-384,517.24

Finding the Fourth Proportional to 656,345.61, 905,839.43 and 384,517.24

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Solution

The fourth proportional to 656,345.61, 905,839.43 and 384,517.24 is: 530,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,345.61 : 905,839.43 = 384,517.24 : x
  2. Step 2: Convert to fraction form
    656,345.61/905,839.43 = 384,517.24/x
  3. Step 3: Cross multiply
    656,345.61x = 905,839.43 × 384,517.24
  4. Step 4: Simplify right side
    656,345.61x = 348,310,873,319.59
  5. Step 5: Solve for x
    x = 348,310,873,319.59/656,345.61
  6. Step 6: Final answer
    x = 530,682.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.