Home / 1,127,813.16-1,691,044.17-358,978.80

Finding the Fourth Proportional to 1,127,813.16, 1,691,044.17 and 358,978.80

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Solution

The fourth proportional to 1,127,813.16, 1,691,044.17 and 358,978.80 is: 538,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,813.16 : 1,691,044.17 = 358,978.80 : x
  2. Step 2: Convert to fraction form
    1,127,813.16/1,691,044.17 = 358,978.80/x
  3. Step 3: Cross multiply
    1,127,813.16x = 1,691,044.17 × 358,978.80
  4. Step 4: Simplify right side
    1,127,813.16x = 607,049,006,893.60
  5. Step 5: Solve for x
    x = 607,049,006,893.60/1,127,813.16
  6. Step 6: Final answer
    x = 538,253.17

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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.