Home / 913,759.03-1,261,119.42-526,500.28

Finding the Fourth Proportional to 913,759.03, 1,261,119.42 and 526,500.28

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Solution

The fourth proportional to 913,759.03, 1,261,119.42 and 526,500.28 is: 726,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,759.03 : 1,261,119.42 = 526,500.28 : x
  2. Step 2: Convert to fraction form
    913,759.03/1,261,119.42 = 526,500.28/x
  3. Step 3: Cross multiply
    913,759.03x = 1,261,119.42 × 526,500.28
  4. Step 4: Simplify right side
    913,759.03x = 663,979,727,743.44
  5. Step 5: Solve for x
    x = 663,979,727,743.44/913,759.03
  6. Step 6: Final answer
    x = 726,646.42

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Double scale
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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.