Home / 719,110.84-992,366.22-396,823.80

Finding the Fourth Proportional to 719,110.84, 992,366.22 and 396,823.80

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Solution

The fourth proportional to 719,110.84, 992,366.22 and 396,823.80 is: 547,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,110.84 : 992,366.22 = 396,823.80 : x
  2. Step 2: Convert to fraction form
    719,110.84/992,366.22 = 396,823.80/x
  3. Step 3: Cross multiply
    719,110.84x = 992,366.22 × 396,823.80
  4. Step 4: Simplify right side
    719,110.84x = 393,794,534,412.04
  5. Step 5: Solve for x
    x = 393,794,534,412.04/719,110.84
  6. Step 6: Final answer
    x = 547,613.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.