Home / 741,585.76-1,023,311.76-455,117.92

Finding the Fourth Proportional to 741,585.76, 1,023,311.76 and 455,117.92

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Solution

The fourth proportional to 741,585.76, 1,023,311.76 and 455,117.92 is: 628,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,585.76 : 1,023,311.76 = 455,117.92 : x
  2. Step 2: Convert to fraction form
    741,585.76/1,023,311.76 = 455,117.92/x
  3. Step 3: Cross multiply
    741,585.76x = 1,023,311.76 × 455,117.92
  4. Step 4: Simplify right side
    741,585.76x = 465,727,519,722.74
  5. Step 5: Solve for x
    x = 465,727,519,722.74/741,585.76
  6. Step 6: Final answer
    x = 628,015.73

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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.