Home / 838,356.66-1,253,672.16-622,622.76

Finding the Fourth Proportional to 838,356.66, 1,253,672.16 and 622,622.76

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Solution

The fourth proportional to 838,356.66, 1,253,672.16 and 622,622.76 is: 931,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,356.66 : 1,253,672.16 = 622,622.76 : x
  2. Step 2: Convert to fraction form
    838,356.66/1,253,672.16 = 622,622.76/x
  3. Step 3: Cross multiply
    838,356.66x = 1,253,672.16 × 622,622.76
  4. Step 4: Simplify right side
    838,356.66x = 780,564,820,394.36
  5. Step 5: Solve for x
    x = 780,564,820,394.36/838,356.66
  6. Step 6: Final answer
    x = 931,065.33

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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.