Home / 1,131,459.23-1,561,282.79-647,995.52

Finding the Fourth Proportional to 1,131,459.23, 1,561,282.79 and 647,995.52

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Solution

The fourth proportional to 1,131,459.23, 1,561,282.79 and 647,995.52 is: 894,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,459.23 : 1,561,282.79 = 647,995.52 : x
  2. Step 2: Convert to fraction form
    1,131,459.23/1,561,282.79 = 647,995.52/x
  3. Step 3: Cross multiply
    1,131,459.23x = 1,561,282.79 × 647,995.52
  4. Step 4: Simplify right side
    1,131,459.23x = 1,011,704,242,326.71
  5. Step 5: Solve for x
    x = 1,011,704,242,326.71/1,131,459.23
  6. Step 6: Final answer
    x = 894,158.82

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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.