Home / 410,947.16-616,545.30-291,235.56

Finding the Fourth Proportional to 410,947.16, 616,545.30 and 291,235.56

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Solution

The fourth proportional to 410,947.16, 616,545.30 and 291,235.56 is: 436,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,947.16 : 616,545.30 = 291,235.56 : x
  2. Step 2: Convert to fraction form
    410,947.16/616,545.30 = 291,235.56/x
  3. Step 3: Cross multiply
    410,947.16x = 616,545.30 × 291,235.56
  4. Step 4: Simplify right side
    410,947.16x = 179,559,915,710.87
  5. Step 5: Solve for x
    x = 179,559,915,710.87/410,947.16
  6. Step 6: Final answer
    x = 436,941.61

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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.