Home / 687,366.36-1,031,100.13-181,923.92

Finding the Fourth Proportional to 687,366.36, 1,031,100.13 and 181,923.92

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Solution

The fourth proportional to 687,366.36, 1,031,100.13 and 181,923.92 is: 272,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,366.36 : 1,031,100.13 = 181,923.92 : x
  2. Step 2: Convert to fraction form
    687,366.36/1,031,100.13 = 181,923.92/x
  3. Step 3: Cross multiply
    687,366.36x = 1,031,100.13 × 181,923.92
  4. Step 4: Simplify right side
    687,366.36x = 187,581,771,951.80
  5. Step 5: Solve for x
    x = 187,581,771,951.80/687,366.36
  6. Step 6: Final answer
    x = 272,899.26

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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.