Home / 914,780.28-1,371,256.94-611,429.94

Finding the Fourth Proportional to 914,780.28, 1,371,256.94 and 611,429.94

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Solution

The fourth proportional to 914,780.28, 1,371,256.94 and 611,429.94 is: 916,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,780.28 : 1,371,256.94 = 611,429.94 : x
  2. Step 2: Convert to fraction form
    914,780.28/1,371,256.94 = 611,429.94/x
  3. Step 3: Cross multiply
    914,780.28x = 1,371,256.94 × 611,429.94
  4. Step 4: Simplify right side
    914,780.28x = 838,427,548,548.78
  5. Step 5: Solve for x
    x = 838,427,548,548.78/914,780.28
  6. Step 6: Final answer
    x = 916,534.35

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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.