Home / 416,315.30-574,529.02-255,139.20

Finding the Fourth Proportional to 416,315.30, 574,529.02 and 255,139.20

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Solution

The fourth proportional to 416,315.30, 574,529.02 and 255,139.20 is: 352,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,315.30 : 574,529.02 = 255,139.20 : x
  2. Step 2: Convert to fraction form
    416,315.30/574,529.02 = 255,139.20/x
  3. Step 3: Cross multiply
    416,315.30x = 574,529.02 × 255,139.20
  4. Step 4: Simplify right side
    416,315.30x = 146,584,873,901.74
  5. Step 5: Solve for x
    x = 146,584,873,901.74/416,315.30
  6. Step 6: Final answer
    x = 352,100.62

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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.