Home / 532,456.92-734,820.36-290,761.95

Finding the Fourth Proportional to 532,456.92, 734,820.36 and 290,761.95

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Solution

The fourth proportional to 532,456.92, 734,820.36 and 290,761.95 is: 401,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,456.92 : 734,820.36 = 290,761.95 : x
  2. Step 2: Convert to fraction form
    532,456.92/734,820.36 = 290,761.95/x
  3. Step 3: Cross multiply
    532,456.92x = 734,820.36 × 290,761.95
  4. Step 4: Simplify right side
    532,456.92x = 213,657,800,773.30
  5. Step 5: Solve for x
    x = 213,657,800,773.30/532,456.92
  6. Step 6: Final answer
    x = 401,267.77

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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.