Home / 414,986.12-572,705.24-253,872.05

Finding the Fourth Proportional to 414,986.12, 572,705.24 and 253,872.05

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Solution

The fourth proportional to 414,986.12, 572,705.24 and 253,872.05 is: 350,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,986.12 : 572,705.24 = 253,872.05 : x
  2. Step 2: Convert to fraction form
    414,986.12/572,705.24 = 253,872.05/x
  3. Step 3: Cross multiply
    414,986.12x = 572,705.24 × 253,872.05
  4. Step 4: Simplify right side
    414,986.12x = 145,393,849,191.66
  5. Step 5: Solve for x
    x = 145,393,849,191.66/414,986.12
  6. Step 6: Final answer
    x = 350,358.35

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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.