Home / 728,616.10-1,092,924.15-697,123.30

Finding the Fourth Proportional to 728,616.10, 1,092,924.15 and 697,123.30

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Solution

The fourth proportional to 728,616.10, 1,092,924.15 and 697,123.30 is: 1,045,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,616.10 : 1,092,924.15 = 697,123.30 : x
  2. Step 2: Convert to fraction form
    728,616.10/1,092,924.15 = 697,123.30/x
  3. Step 3: Cross multiply
    728,616.10x = 1,092,924.15 × 697,123.30
  4. Step 4: Simplify right side
    728,616.10x = 761,902,890,097.70
  5. Step 5: Solve for x
    x = 761,902,890,097.70/728,616.10
  6. Step 6: Final answer
    x = 1,045,684.95

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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.