Home / 906,086.16-1,358,947.80-861,123.60

Finding the Fourth Proportional to 906,086.16, 1,358,947.80 and 861,123.60

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Solution

The fourth proportional to 906,086.16, 1,358,947.80 and 861,123.60 is: 1,291,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,086.16 : 1,358,947.80 = 861,123.60 : x
  2. Step 2: Convert to fraction form
    906,086.16/1,358,947.80 = 861,123.60/x
  3. Step 3: Cross multiply
    906,086.16x = 1,358,947.80 × 861,123.60
  4. Step 4: Simplify right side
    906,086.16x = 1,170,222,021,748.08
  5. Step 5: Solve for x
    x = 1,170,222,021,748.08/906,086.16
  6. Step 6: Final answer
    x = 1,291,512.96

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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.