Home / 913,755.47-1,261,114.49-526,496.71

Finding the Fourth Proportional to 913,755.47, 1,261,114.49 and 526,496.71

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Solution

The fourth proportional to 913,755.47, 1,261,114.49 and 526,496.71 is: 726,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,755.47 : 1,261,114.49 = 526,496.71 : x
  2. Step 2: Convert to fraction form
    913,755.47/1,261,114.49 = 526,496.71/x
  3. Step 3: Cross multiply
    913,755.47x = 1,261,114.49 × 526,496.71
  4. Step 4: Simplify right side
    913,755.47x = 663,972,631,234.57
  5. Step 5: Solve for x
    x = 663,972,631,234.57/913,755.47
  6. Step 6: Final answer
    x = 726,641.49

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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.