Home / 773,438.88-1,067,106.40-450,920.76

Finding the Fourth Proportional to 773,438.88, 1,067,106.40 and 450,920.76

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Solution

The fourth proportional to 773,438.88, 1,067,106.40 and 450,920.76 is: 622,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,438.88 : 1,067,106.40 = 450,920.76 : x
  2. Step 2: Convert to fraction form
    773,438.88/1,067,106.40 = 450,920.76/x
  3. Step 3: Cross multiply
    773,438.88x = 1,067,106.40 × 450,920.76
  4. Step 4: Simplify right side
    773,438.88x = 481,180,428,888.86
  5. Step 5: Solve for x
    x = 481,180,428,888.86/773,438.88
  6. Step 6: Final answer
    x = 622,131.16

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Double scale
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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.