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Finding the Fourth Proportional to 941,978.36, 1,412,552.82 and 498,642.68

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Solution

The fourth proportional to 941,978.36, 1,412,552.82 and 498,642.68 is: 747,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,978.36 : 1,412,552.82 = 498,642.68 : x
  2. Step 2: Convert to fraction form
    941,978.36/1,412,552.82 = 498,642.68/x
  3. Step 3: Cross multiply
    941,978.36x = 1,412,552.82 × 498,642.68
  4. Step 4: Simplify right side
    941,978.36x = 704,359,123,806.36
  5. Step 5: Solve for x
    x = 704,359,123,806.36/941,978.36
  6. Step 6: Final answer
    x = 747,744.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.