Home / 1,098,070.92-1,514,879.28-716,084.64

Finding the Fourth Proportional to 1,098,070.92, 1,514,879.28 and 716,084.64

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Solution

The fourth proportional to 1,098,070.92, 1,514,879.28 and 716,084.64 is: 987,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,070.92 : 1,514,879.28 = 716,084.64 : x
  2. Step 2: Convert to fraction form
    1,098,070.92/1,514,879.28 = 716,084.64/x
  3. Step 3: Cross multiply
    1,098,070.92x = 1,514,879.28 × 716,084.64
  4. Step 4: Simplify right side
    1,098,070.92x = 1,084,781,783,862.26
  5. Step 5: Solve for x
    x = 1,084,781,783,862.26/1,098,070.92
  6. Step 6: Final answer
    x = 987,897.74

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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.