Home / 741,417.62-1,023,200.43-419,157.70

Finding the Fourth Proportional to 741,417.62, 1,023,200.43 and 419,157.70

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Solution

The fourth proportional to 741,417.62, 1,023,200.43 and 419,157.70 is: 578,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,417.62 : 1,023,200.43 = 419,157.70 : x
  2. Step 2: Convert to fraction form
    741,417.62/1,023,200.43 = 419,157.70/x
  3. Step 3: Cross multiply
    741,417.62x = 1,023,200.43 × 419,157.70
  4. Step 4: Simplify right side
    741,417.62x = 428,882,336,319.81
  5. Step 5: Solve for x
    x = 428,882,336,319.81/741,417.62
  6. Step 6: Final answer
    x = 578,462.57

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Double scale
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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.