Home / 913,759.22-1,261,119.67-526,500.46

Finding the Fourth Proportional to 913,759.22, 1,261,119.67 and 526,500.46

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Solution

The fourth proportional to 913,759.22, 1,261,119.67 and 526,500.46 is: 726,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,759.22 : 1,261,119.67 = 526,500.46 : x
  2. Step 2: Convert to fraction form
    913,759.22/1,261,119.67 = 526,500.46/x
  3. Step 3: Cross multiply
    913,759.22x = 1,261,119.67 × 526,500.46
  4. Step 4: Simplify right side
    913,759.22x = 663,980,086,370.05
  5. Step 5: Solve for x
    x = 663,980,086,370.05/913,759.22
  6. Step 6: Final answer
    x = 726,646.66

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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.