Home / 722,726.76-997,329.33-396,037.83

Finding the Fourth Proportional to 722,726.76, 997,329.33 and 396,037.83

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Solution

The fourth proportional to 722,726.76, 997,329.33 and 396,037.83 is: 546,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,726.76 : 997,329.33 = 396,037.83 : x
  2. Step 2: Convert to fraction form
    722,726.76/997,329.33 = 396,037.83/x
  3. Step 3: Cross multiply
    722,726.76x = 997,329.33 × 396,037.83
  4. Step 4: Simplify right side
    722,726.76x = 394,980,143,648.55
  5. Step 5: Solve for x
    x = 394,980,143,648.55/722,726.76
  6. Step 6: Final answer
    x = 546,513.79

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1.5x scale

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.