Home / 825,180.58-1,139,122.25-519,705.87

Finding the Fourth Proportional to 825,180.58, 1,139,122.25 and 519,705.87

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Solution

The fourth proportional to 825,180.58, 1,139,122.25 and 519,705.87 is: 717,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,180.58 : 1,139,122.25 = 519,705.87 : x
  2. Step 2: Convert to fraction form
    825,180.58/1,139,122.25 = 519,705.87/x
  3. Step 3: Cross multiply
    825,180.58x = 1,139,122.25 × 519,705.87
  4. Step 4: Simplify right side
    825,180.58x = 592,008,511,678.47
  5. Step 5: Solve for x
    x = 592,008,511,678.47/825,180.58
  6. Step 6: Final answer
    x = 717,429.04

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Double scale
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1.5x scale

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.