Home / 865,862.40-1,195,044.16-517,025.28

Finding the Fourth Proportional to 865,862.40, 1,195,044.16 and 517,025.28

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Solution

The fourth proportional to 865,862.40, 1,195,044.16 and 517,025.28 is: 713,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,862.40 : 1,195,044.16 = 517,025.28 : x
  2. Step 2: Convert to fraction form
    865,862.40/1,195,044.16 = 517,025.28/x
  3. Step 3: Cross multiply
    865,862.40x = 1,195,044.16 × 517,025.28
  4. Step 4: Simplify right side
    865,862.40x = 617,868,041,436.37
  5. Step 5: Solve for x
    x = 617,868,041,436.37/865,862.40
  6. Step 6: Final answer
    x = 713,586.87

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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.