Home / 1,055,193.59-1,456,194.04-647,520.59

Finding the Fourth Proportional to 1,055,193.59, 1,456,194.04 and 647,520.59

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Solution

The fourth proportional to 1,055,193.59, 1,456,194.04 and 647,520.59 is: 893,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,193.59 : 1,456,194.04 = 647,520.59 : x
  2. Step 2: Convert to fraction form
    1,055,193.59/1,456,194.04 = 647,520.59/x
  3. Step 3: Cross multiply
    1,055,193.59x = 1,456,194.04 × 647,520.59
  4. Step 4: Simplify right side
    1,055,193.59x = 942,915,625,956.97
  5. Step 5: Solve for x
    x = 942,915,625,956.97/1,055,193.59
  6. Step 6: Final answer
    x = 893,594.91

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Double scale
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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.