Home / 1,129,618.80-1,691,663.40-537,951.60

Finding the Fourth Proportional to 1,129,618.80, 1,691,663.40 and 537,951.60

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Solution

The fourth proportional to 1,129,618.80, 1,691,663.40 and 537,951.60 is: 805,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,618.80 : 1,691,663.40 = 537,951.60 : x
  2. Step 2: Convert to fraction form
    1,129,618.80/1,691,663.40 = 537,951.60/x
  3. Step 3: Cross multiply
    1,129,618.80x = 1,691,663.40 × 537,951.60
  4. Step 4: Simplify right side
    1,129,618.80x = 910,033,032,691.44
  5. Step 5: Solve for x
    x = 910,033,032,691.44/1,129,618.80
  6. Step 6: Final answer
    x = 805,610.74

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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.