Home / 1,398,344.16-1,929,862.92-854,798.16

Finding the Fourth Proportional to 1,398,344.16, 1,929,862.92 and 854,798.16

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Solution

The fourth proportional to 1,398,344.16, 1,929,862.92 and 854,798.16 is: 1,179,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,344.16 : 1,929,862.92 = 854,798.16 : x
  2. Step 2: Convert to fraction form
    1,398,344.16/1,929,862.92 = 854,798.16/x
  3. Step 3: Cross multiply
    1,398,344.16x = 1,929,862.92 × 854,798.16
  4. Step 4: Simplify right side
    1,398,344.16x = 1,649,643,273,068.23
  5. Step 5: Solve for x
    x = 1,649,643,273,068.23/1,398,344.16
  6. Step 6: Final answer
    x = 1,179,711.92

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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.