Home / 1,078,654.20-1,488,838.86-626,091

Finding the Fourth Proportional to 1,078,654.20, 1,488,838.86 and 626,091

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Solution

The fourth proportional to 1,078,654.20, 1,488,838.86 and 626,091 is: 864,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,654.20 : 1,488,838.86 = 626,091 : x
  2. Step 2: Convert to fraction form
    1,078,654.20/1,488,838.86 = 626,091/x
  3. Step 3: Cross multiply
    1,078,654.20x = 1,488,838.86 × 626,091
  4. Step 4: Simplify right side
    1,078,654.20x = 932,148,610,696.26
  5. Step 5: Solve for x
    x = 932,148,610,696.26/1,078,654.20
  6. Step 6: Final answer
    x = 864,177.43

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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.