Home / 1,125,400.97-1,553,053.30-616,103.35

Finding the Fourth Proportional to 1,125,400.97, 1,553,053.30 and 616,103.35

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Solution

The fourth proportional to 1,125,400.97, 1,553,053.30 and 616,103.35 is: 850,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,400.97 : 1,553,053.30 = 616,103.35 : x
  2. Step 2: Convert to fraction form
    1,125,400.97/1,553,053.30 = 616,103.35/x
  3. Step 3: Cross multiply
    1,125,400.97x = 1,553,053.30 × 616,103.35
  4. Step 4: Simplify right side
    1,125,400.97x = 956,841,335,435.66
  5. Step 5: Solve for x
    x = 956,841,335,435.66/1,125,400.97
  6. Step 6: Final answer
    x = 850,222.60

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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.