Home / 1,131,706-1,561,764.68-615,464.79

Finding the Fourth Proportional to 1,131,706, 1,561,764.68 and 615,464.79

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Solution

The fourth proportional to 1,131,706, 1,561,764.68 and 615,464.79 is: 849,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,706 : 1,561,764.68 = 615,464.79 : x
  2. Step 2: Convert to fraction form
    1,131,706/1,561,764.68 = 615,464.79/x
  3. Step 3: Cross multiply
    1,131,706x = 1,561,764.68 × 615,464.79
  4. Step 4: Simplify right side
    1,131,706x = 961,211,170,805.62
  5. Step 5: Solve for x
    x = 961,211,170,805.62/1,131,706
  6. Step 6: Final answer
    x = 849,347.07

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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.