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Finding the Fourth Proportional to 777,805.18, 1,164,894.92 and 750,866.20

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Solution

The fourth proportional to 777,805.18, 1,164,894.92 and 750,866.20 is: 1,124,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,805.18 : 1,164,894.92 = 750,866.20 : x
  2. Step 2: Convert to fraction form
    777,805.18/1,164,894.92 = 750,866.20/x
  3. Step 3: Cross multiply
    777,805.18x = 1,164,894.92 × 750,866.20
  4. Step 4: Simplify right side
    777,805.18x = 874,680,221,979.70
  5. Step 5: Solve for x
    x = 874,680,221,979.70/777,805.18
  6. Step 6: Final answer
    x = 1,124,549.24

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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.