Home / 416,306.86-574,517.37-255,130.76

Finding the Fourth Proportional to 416,306.86, 574,517.37 and 255,130.76

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Solution

The fourth proportional to 416,306.86, 574,517.37 and 255,130.76 is: 352,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,306.86 : 574,517.37 = 255,130.76 : x
  2. Step 2: Convert to fraction form
    416,306.86/574,517.37 = 255,130.76/x
  3. Step 3: Cross multiply
    416,306.86x = 574,517.37 × 255,130.76
  4. Step 4: Simplify right side
    416,306.86x = 146,577,055,634.34
  5. Step 5: Solve for x
    x = 146,577,055,634.34/416,306.86
  6. Step 6: Final answer
    x = 352,088.98

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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.