Home / 741,503.16-1,023,234.66-419,193.90

Finding the Fourth Proportional to 741,503.16, 1,023,234.66 and 419,193.90

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Solution

The fourth proportional to 741,503.16, 1,023,234.66 and 419,193.90 is: 578,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,503.16 : 1,023,234.66 = 419,193.90 : x
  2. Step 2: Convert to fraction form
    741,503.16/1,023,234.66 = 419,193.90/x
  3. Step 3: Cross multiply
    741,503.16x = 1,023,234.66 × 419,193.90
  4. Step 4: Simplify right side
    741,503.16x = 428,933,727,740.57
  5. Step 5: Solve for x
    x = 428,933,727,740.57/741,503.16
  6. Step 6: Final answer
    x = 578,465.14

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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.