Home / 853,061.28-1,177,225.02-465,882

Finding the Fourth Proportional to 853,061.28, 1,177,225.02 and 465,882

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Solution

The fourth proportional to 853,061.28, 1,177,225.02 and 465,882 is: 642,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,061.28 : 1,177,225.02 = 465,882 : x
  2. Step 2: Convert to fraction form
    853,061.28/1,177,225.02 = 465,882/x
  3. Step 3: Cross multiply
    853,061.28x = 1,177,225.02 × 465,882
  4. Step 4: Simplify right side
    853,061.28x = 548,447,946,767.64
  5. Step 5: Solve for x
    x = 548,447,946,767.64/853,061.28
  6. Step 6: Final answer
    x = 642,917.41

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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.