Home / 526,474.23-726,534.57-297,080.13

Finding the Fourth Proportional to 526,474.23, 726,534.57 and 297,080.13

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Solution

The fourth proportional to 526,474.23, 726,534.57 and 297,080.13 is: 409,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,474.23 : 726,534.57 = 297,080.13 : x
  2. Step 2: Convert to fraction form
    526,474.23/726,534.57 = 297,080.13/x
  3. Step 3: Cross multiply
    526,474.23x = 726,534.57 × 297,080.13
  4. Step 4: Simplify right side
    526,474.23x = 215,838,984,505.09
  5. Step 5: Solve for x
    x = 215,838,984,505.09/526,474.23
  6. Step 6: Final answer
    x = 409,970.65

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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.