Home / 876,981.89-1,209,568.13-754,680.41

Finding the Fourth Proportional to 876,981.89, 1,209,568.13 and 754,680.41

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Solution

The fourth proportional to 876,981.89, 1,209,568.13 and 754,680.41 is: 1,040,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,981.89 : 1,209,568.13 = 754,680.41 : x
  2. Step 2: Convert to fraction form
    876,981.89/1,209,568.13 = 754,680.41/x
  3. Step 3: Cross multiply
    876,981.89x = 1,209,568.13 × 754,680.41
  4. Step 4: Simplify right side
    876,981.89x = 912,837,374,061.10
  5. Step 5: Solve for x
    x = 912,837,374,061.10/876,981.89
  6. Step 6: Final answer
    x = 1,040,885.09

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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.