Home / 1,040,550.57-1,436,199.75-677,341.80

Finding the Fourth Proportional to 1,040,550.57, 1,436,199.75 and 677,341.80

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Solution

The fourth proportional to 1,040,550.57, 1,436,199.75 and 677,341.80 is: 934,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,550.57 : 1,436,199.75 = 677,341.80 : x
  2. Step 2: Convert to fraction form
    1,040,550.57/1,436,199.75 = 677,341.80/x
  3. Step 3: Cross multiply
    1,040,550.57x = 1,436,199.75 × 677,341.80
  4. Step 4: Simplify right side
    1,040,550.57x = 972,798,123,824.55
  5. Step 5: Solve for x
    x = 972,798,123,824.55/1,040,550.57
  6. Step 6: Final answer
    x = 934,887.89

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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.