Home / 865,631.24-1,304,355.43-711,316.52

Finding the Fourth Proportional to 865,631.24, 1,304,355.43 and 711,316.52

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Solution

The fourth proportional to 865,631.24, 1,304,355.43 and 711,316.52 is: 1,071,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,631.24 : 1,304,355.43 = 711,316.52 : x
  2. Step 2: Convert to fraction form
    865,631.24/1,304,355.43 = 711,316.52/x
  3. Step 3: Cross multiply
    865,631.24x = 1,304,355.43 × 711,316.52
  4. Step 4: Simplify right side
    865,631.24x = 927,809,566,793.30
  5. Step 5: Solve for x
    x = 927,809,566,793.30/865,631.24
  6. Step 6: Final answer
    x = 1,071,830.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.