Home / 1,191,572.40-1,786,883.40-392,631.60

Finding the Fourth Proportional to 1,191,572.40, 1,786,883.40 and 392,631.60

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Solution

The fourth proportional to 1,191,572.40, 1,786,883.40 and 392,631.60 is: 588,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,572.40 : 1,786,883.40 = 392,631.60 : x
  2. Step 2: Convert to fraction form
    1,191,572.40/1,786,883.40 = 392,631.60/x
  3. Step 3: Cross multiply
    1,191,572.40x = 1,786,883.40 × 392,631.60
  4. Step 4: Simplify right side
    1,191,572.40x = 701,586,888,355.44
  5. Step 5: Solve for x
    x = 701,586,888,355.44/1,191,572.40
  6. Step 6: Final answer
    x = 588,790.82

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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.