Home / 982,874.32-1,356,365.28-553,157.52

Finding the Fourth Proportional to 982,874.32, 1,356,365.28 and 553,157.52

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Solution

The fourth proportional to 982,874.32, 1,356,365.28 and 553,157.52 is: 763,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,874.32 : 1,356,365.28 = 553,157.52 : x
  2. Step 2: Convert to fraction form
    982,874.32/1,356,365.28 = 553,157.52/x
  3. Step 3: Cross multiply
    982,874.32x = 1,356,365.28 × 553,157.52
  4. Step 4: Simplify right side
    982,874.32x = 750,283,654,498.91
  5. Step 5: Solve for x
    x = 750,283,654,498.91/982,874.32
  6. Step 6: Final answer
    x = 763,356.66

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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.