Home / 757,637.46-1,045,918.17-471,249.54

Finding the Fourth Proportional to 757,637.46, 1,045,918.17 and 471,249.54

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Solution

The fourth proportional to 757,637.46, 1,045,918.17 and 471,249.54 is: 650,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,637.46 : 1,045,918.17 = 471,249.54 : x
  2. Step 2: Convert to fraction form
    757,637.46/1,045,918.17 = 471,249.54/x
  3. Step 3: Cross multiply
    757,637.46x = 1,045,918.17 × 471,249.54
  4. Step 4: Simplify right side
    757,637.46x = 492,888,456,490.14
  5. Step 5: Solve for x
    x = 492,888,456,490.14/757,637.46
  6. Step 6: Final answer
    x = 650,559.78

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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.