Home / 723,541.53-998,327.61-417,552.90

Finding the Fourth Proportional to 723,541.53, 998,327.61 and 417,552.90

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Solution

The fourth proportional to 723,541.53, 998,327.61 and 417,552.90 is: 576,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,541.53 : 998,327.61 = 417,552.90 : x
  2. Step 2: Convert to fraction form
    723,541.53/998,327.61 = 417,552.90/x
  3. Step 3: Cross multiply
    723,541.53x = 998,327.61 × 417,552.90
  4. Step 4: Simplify right side
    723,541.53x = 416,854,588,705.57
  5. Step 5: Solve for x
    x = 416,854,588,705.57/723,541.53
  6. Step 6: Final answer
    x = 576,130.84

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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.