Home / 416,319.11-574,534.29-255,143.01

Finding the Fourth Proportional to 416,319.11, 574,534.29 and 255,143.01

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Solution

The fourth proportional to 416,319.11, 574,534.29 and 255,143.01 is: 352,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,319.11 : 574,534.29 = 255,143.01 : x
  2. Step 2: Convert to fraction form
    416,319.11/574,534.29 = 255,143.01/x
  3. Step 3: Cross multiply
    416,319.11x = 574,534.29 × 255,143.01
  4. Step 4: Simplify right side
    416,319.11x = 146,588,408,098.81
  5. Step 5: Solve for x
    x = 146,588,408,098.81/416,319.11
  6. Step 6: Final answer
    x = 352,105.88

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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.