Home / 826,906.16-1,141,060.44-500,340.80

Finding the Fourth Proportional to 826,906.16, 1,141,060.44 and 500,340.80

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Solution

The fourth proportional to 826,906.16, 1,141,060.44 and 500,340.80 is: 690,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,906.16 : 1,141,060.44 = 500,340.80 : x
  2. Step 2: Convert to fraction form
    826,906.16/1,141,060.44 = 500,340.80/x
  3. Step 3: Cross multiply
    826,906.16x = 1,141,060.44 × 500,340.80
  4. Step 4: Simplify right side
    826,906.16x = 570,919,093,397.95
  5. Step 5: Solve for x
    x = 570,919,093,397.95/826,906.16
  6. Step 6: Final answer
    x = 690,427.91

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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.