Home / 440,599.14-608,218.89-279,701.55

Finding the Fourth Proportional to 440,599.14, 608,218.89 and 279,701.55

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Solution

The fourth proportional to 440,599.14, 608,218.89 and 279,701.55 is: 386,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,599.14 : 608,218.89 = 279,701.55 : x
  2. Step 2: Convert to fraction form
    440,599.14/608,218.89 = 279,701.55/x
  3. Step 3: Cross multiply
    440,599.14x = 608,218.89 × 279,701.55
  4. Step 4: Simplify right side
    440,599.14x = 170,119,766,272.28
  5. Step 5: Solve for x
    x = 170,119,766,272.28/440,599.14
  6. Step 6: Final answer
    x = 386,110.07

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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.