Home / 539,983.16-745,162.47-298,260.53

Finding the Fourth Proportional to 539,983.16, 745,162.47 and 298,260.53

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Solution

The fourth proportional to 539,983.16, 745,162.47 and 298,260.53 is: 411,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,983.16 : 745,162.47 = 298,260.53 : x
  2. Step 2: Convert to fraction form
    539,983.16/745,162.47 = 298,260.53/x
  3. Step 3: Cross multiply
    539,983.16x = 745,162.47 × 298,260.53
  4. Step 4: Simplify right side
    539,983.16x = 222,252,552,306.86
  5. Step 5: Solve for x
    x = 222,252,552,306.86/539,983.16
  6. Step 6: Final answer
    x = 411,591.64

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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.