Home / 739,831.72-1,109,757-260,040.16

Finding the Fourth Proportional to 739,831.72, 1,109,757 and 260,040.16

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Solution

The fourth proportional to 739,831.72, 1,109,757 and 260,040.16 is: 390,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,831.72 : 1,109,757 = 260,040.16 : x
  2. Step 2: Convert to fraction form
    739,831.72/1,109,757 = 260,040.16/x
  3. Step 3: Cross multiply
    739,831.72x = 1,109,757 × 260,040.16
  4. Step 4: Simplify right side
    739,831.72x = 288,581,387,841.12
  5. Step 5: Solve for x
    x = 288,581,387,841.12/739,831.72
  6. Step 6: Final answer
    x = 390,063.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.