Home / 722,439.39-1,083,711.02-249,117.92

Finding the Fourth Proportional to 722,439.39, 1,083,711.02 and 249,117.92

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Solution

The fourth proportional to 722,439.39, 1,083,711.02 and 249,117.92 is: 373,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,439.39 : 1,083,711.02 = 249,117.92 : x
  2. Step 2: Convert to fraction form
    722,439.39/1,083,711.02 = 249,117.92/x
  3. Step 3: Cross multiply
    722,439.39x = 1,083,711.02 × 249,117.92
  4. Step 4: Simplify right side
    722,439.39x = 269,971,828,519.33
  5. Step 5: Solve for x
    x = 269,971,828,519.33/722,439.39
  6. Step 6: Final answer
    x = 373,694.78

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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.