Home / 739,389.85-1,109,281.27-233,959.81

Finding the Fourth Proportional to 739,389.85, 1,109,281.27 and 233,959.81

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Solution

The fourth proportional to 739,389.85, 1,109,281.27 and 233,959.81 is: 351,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,389.85 : 1,109,281.27 = 233,959.81 : x
  2. Step 2: Convert to fraction form
    739,389.85/1,109,281.27 = 233,959.81/x
  3. Step 3: Cross multiply
    739,389.85x = 1,109,281.27 × 233,959.81
  4. Step 4: Simplify right side
    739,389.85x = 259,527,231,807.66
  5. Step 5: Solve for x
    x = 259,527,231,807.66/739,389.85
  6. Step 6: Final answer
    x = 351,001.89

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Double scale
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1.5x scale

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.