Home / 913,757.72-1,261,117.60-526,498.96

Finding the Fourth Proportional to 913,757.72, 1,261,117.60 and 526,498.96

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Solution

The fourth proportional to 913,757.72, 1,261,117.60 and 526,498.96 is: 726,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,757.72 : 1,261,117.60 = 526,498.96 : x
  2. Step 2: Convert to fraction form
    913,757.72/1,261,117.60 = 526,498.96/x
  3. Step 3: Cross multiply
    913,757.72x = 1,261,117.60 × 526,498.96
  4. Step 4: Simplify right side
    913,757.72x = 663,977,104,837.70
  5. Step 5: Solve for x
    x = 663,977,104,837.70/913,757.72
  6. Step 6: Final answer
    x = 726,644.59

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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.