Home / 665,591.52-997,371.35-395,187.18

Finding the Fourth Proportional to 665,591.52, 997,371.35 and 395,187.18

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Solution

The fourth proportional to 665,591.52, 997,371.35 and 395,187.18 is: 592,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,591.52 : 997,371.35 = 395,187.18 : x
  2. Step 2: Convert to fraction form
    665,591.52/997,371.35 = 395,187.18/x
  3. Step 3: Cross multiply
    665,591.52x = 997,371.35 × 395,187.18
  4. Step 4: Simplify right side
    665,591.52x = 394,148,371,219.29
  5. Step 5: Solve for x
    x = 394,148,371,219.29/665,591.52
  6. Step 6: Final answer
    x = 592,177.57

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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.