Home / 914,778.28-1,371,253.95-611,427.94

Finding the Fourth Proportional to 914,778.28, 1,371,253.95 and 611,427.94

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Solution

The fourth proportional to 914,778.28, 1,371,253.95 and 611,427.94 is: 916,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,778.28 : 1,371,253.95 = 611,427.94 : x
  2. Step 2: Convert to fraction form
    914,778.28/1,371,253.95 = 611,427.94/x
  3. Step 3: Cross multiply
    914,778.28x = 1,371,253.95 × 611,427.94
  4. Step 4: Simplify right side
    914,778.28x = 838,422,974,437.23
  5. Step 5: Solve for x
    x = 838,422,974,437.23/914,778.28
  6. Step 6: Final answer
    x = 916,531.36

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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.