Home / 838,195.95-1,257,598.08-517,974.60

Finding the Fourth Proportional to 838,195.95, 1,257,598.08 and 517,974.60

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Solution

The fourth proportional to 838,195.95, 1,257,598.08 and 517,974.60 is: 777,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,195.95 : 1,257,598.08 = 517,974.60 : x
  2. Step 2: Convert to fraction form
    838,195.95/1,257,598.08 = 517,974.60/x
  3. Step 3: Cross multiply
    838,195.95x = 1,257,598.08 × 517,974.60
  4. Step 4: Simplify right side
    838,195.95x = 651,403,862,448.77
  5. Step 5: Solve for x
    x = 651,403,862,448.77/838,195.95
  6. Step 6: Final answer
    x = 777,149.86

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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.