Home / 865,220.54-1,192,318.18-623,045.93

Finding the Fourth Proportional to 865,220.54, 1,192,318.18 and 623,045.93

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Solution

The fourth proportional to 865,220.54, 1,192,318.18 and 623,045.93 is: 858,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,220.54 : 1,192,318.18 = 623,045.93 : x
  2. Step 2: Convert to fraction form
    865,220.54/1,192,318.18 = 623,045.93/x
  3. Step 3: Cross multiply
    865,220.54x = 1,192,318.18 × 623,045.93
  4. Step 4: Simplify right side
    865,220.54x = 742,868,981,794.80
  5. Step 5: Solve for x
    x = 742,868,981,794.80/865,220.54
  6. Step 6: Final answer
    x = 858,589.17

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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.