Home / 716,891.92-1,074,715.80-361,609.36

Finding the Fourth Proportional to 716,891.92, 1,074,715.80 and 361,609.36

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Solution

The fourth proportional to 716,891.92, 1,074,715.80 and 361,609.36 is: 542,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,891.92 : 1,074,715.80 = 361,609.36 : x
  2. Step 2: Convert to fraction form
    716,891.92/1,074,715.80 = 361,609.36/x
  3. Step 3: Cross multiply
    716,891.92x = 1,074,715.80 × 361,609.36
  4. Step 4: Simplify right side
    716,891.92x = 388,627,292,619.89
  5. Step 5: Solve for x
    x = 388,627,292,619.89/716,891.92
  6. Step 6: Final answer
    x = 542,100.25

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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.