Home / 454,233.98-626,837.87-257,999.08

Finding the Fourth Proportional to 454,233.98, 626,837.87 and 257,999.08

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Solution

The fourth proportional to 454,233.98, 626,837.87 and 257,999.08 is: 356,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,233.98 : 626,837.87 = 257,999.08 : x
  2. Step 2: Convert to fraction form
    454,233.98/626,837.87 = 257,999.08/x
  3. Step 3: Cross multiply
    454,233.98x = 626,837.87 × 257,999.08
  4. Step 4: Simplify right side
    454,233.98x = 161,723,593,769.16
  5. Step 5: Solve for x
    x = 161,723,593,769.16/454,233.98
  6. Step 6: Final answer
    x = 356,035.88

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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.