Home / 1,105,607.75-1,658,406.11-431,757.52

Finding the Fourth Proportional to 1,105,607.75, 1,658,406.11 and 431,757.52

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Solution

The fourth proportional to 1,105,607.75, 1,658,406.11 and 431,757.52 is: 647,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,607.75 : 1,658,406.11 = 431,757.52 : x
  2. Step 2: Convert to fraction form
    1,105,607.75/1,658,406.11 = 431,757.52/x
  3. Step 3: Cross multiply
    1,105,607.75x = 1,658,406.11 × 431,757.52
  4. Step 4: Simplify right side
    1,105,607.75x = 716,029,309,206.45
  5. Step 5: Solve for x
    x = 716,029,309,206.45/1,105,607.75
  6. Step 6: Final answer
    x = 647,634.13

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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.