Home / 719,531.66-1,079,282.67-239,794.29

Finding the Fourth Proportional to 719,531.66, 1,079,282.67 and 239,794.29

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Solution

The fourth proportional to 719,531.66, 1,079,282.67 and 239,794.29 is: 359,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,531.66 : 1,079,282.67 = 239,794.29 : x
  2. Step 2: Convert to fraction form
    719,531.66/1,079,282.67 = 239,794.29/x
  3. Step 3: Cross multiply
    719,531.66x = 1,079,282.67 × 239,794.29
  4. Step 4: Simplify right side
    719,531.66x = 258,805,821,561.95
  5. Step 5: Solve for x
    x = 258,805,821,561.95/719,531.66
  6. Step 6: Final answer
    x = 359,686.50

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Double scale
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Similar ratio
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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.