Home / 619,818.30-929,625.39-579,470.58

Finding the Fourth Proportional to 619,818.30, 929,625.39 and 579,470.58

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Solution

The fourth proportional to 619,818.30, 929,625.39 and 579,470.58 is: 869,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,818.30 : 929,625.39 = 579,470.58 : x
  2. Step 2: Convert to fraction form
    619,818.30/929,625.39 = 579,470.58/x
  3. Step 3: Cross multiply
    619,818.30x = 929,625.39 × 579,470.58
  4. Step 4: Simplify right side
    619,818.30x = 538,690,563,926.03
  5. Step 5: Solve for x
    x = 538,690,563,926.03/619,818.30
  6. Step 6: Final answer
    x = 869,110.45

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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.