Home / 539,965.28-745,088.59-298,233.43

Finding the Fourth Proportional to 539,965.28, 745,088.59 and 298,233.43

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Solution

The fourth proportional to 539,965.28, 745,088.59 and 298,233.43 is: 411,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,965.28 : 745,088.59 = 298,233.43 : x
  2. Step 2: Convert to fraction form
    539,965.28/745,088.59 = 298,233.43/x
  3. Step 3: Cross multiply
    539,965.28x = 745,088.59 × 298,233.43
  4. Step 4: Simplify right side
    539,965.28x = 222,210,323,241.26
  5. Step 5: Solve for x
    x = 222,210,323,241.26/539,965.28
  6. Step 6: Final answer
    x = 411,527.06

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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.