Home / 957,912.16-1,320,545.54-753,608.78

Finding the Fourth Proportional to 957,912.16, 1,320,545.54 and 753,608.78

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Solution

The fourth proportional to 957,912.16, 1,320,545.54 and 753,608.78 is: 1,038,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,912.16 : 1,320,545.54 = 753,608.78 : x
  2. Step 2: Convert to fraction form
    957,912.16/1,320,545.54 = 753,608.78/x
  3. Step 3: Cross multiply
    957,912.16x = 1,320,545.54 × 753,608.78
  4. Step 4: Simplify right side
    957,912.16x = 995,174,713,333.84
  5. Step 5: Solve for x
    x = 995,174,713,333.84/957,912.16
  6. Step 6: Final answer
    x = 1,038,899.76

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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.