Home / 656,384.61-904,574.18-474,788.59

Finding the Fourth Proportional to 656,384.61, 904,574.18 and 474,788.59

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Solution

The fourth proportional to 656,384.61, 904,574.18 and 474,788.59 is: 654,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,384.61 : 904,574.18 = 474,788.59 : x
  2. Step 2: Convert to fraction form
    656,384.61/904,574.18 = 474,788.59/x
  3. Step 3: Cross multiply
    656,384.61x = 904,574.18 × 474,788.59
  4. Step 4: Simplify right side
    656,384.61x = 429,481,498,398.14
  5. Step 5: Solve for x
    x = 429,481,498,398.14/656,384.61
  6. Step 6: Final answer
    x = 654,313.78

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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.