Home / 913,761.22-1,261,122.43-526,502.46

Finding the Fourth Proportional to 913,761.22, 1,261,122.43 and 526,502.46

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Solution

The fourth proportional to 913,761.22, 1,261,122.43 and 526,502.46 is: 726,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,761.22 : 1,261,122.43 = 526,502.46 : x
  2. Step 2: Convert to fraction form
    913,761.22/1,261,122.43 = 526,502.46/x
  3. Step 3: Cross multiply
    913,761.22x = 1,261,122.43 × 526,502.46
  4. Step 4: Simplify right side
    913,761.22x = 663,984,061,756.18
  5. Step 5: Solve for x
    x = 663,984,061,756.18/913,761.22
  6. Step 6: Final answer
    x = 726,649.42

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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.