Home / 913,901.31-1,261,197.15-526,503

Finding the Fourth Proportional to 913,901.31, 1,261,197.15 and 526,503

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Solution

The fourth proportional to 913,901.31, 1,261,197.15 and 526,503 is: 726,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,901.31 : 1,261,197.15 = 526,503 : x
  2. Step 2: Convert to fraction form
    913,901.31/1,261,197.15 = 526,503/x
  3. Step 3: Cross multiply
    913,901.31x = 1,261,197.15 × 526,503
  4. Step 4: Simplify right side
    913,901.31x = 664,024,083,066.45
  5. Step 5: Solve for x
    x = 664,024,083,066.45/913,901.31
  6. Step 6: Final answer
    x = 726,581.83

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1.5x scale

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.