Home / 874,023.67-1,206,175.22-492,064.12

Finding the Fourth Proportional to 874,023.67, 1,206,175.22 and 492,064.12

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Solution

The fourth proportional to 874,023.67, 1,206,175.22 and 492,064.12 is: 679,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,023.67 : 1,206,175.22 = 492,064.12 : x
  2. Step 2: Convert to fraction form
    874,023.67/1,206,175.22 = 492,064.12/x
  3. Step 3: Cross multiply
    874,023.67x = 1,206,175.22 × 492,064.12
  4. Step 4: Simplify right side
    874,023.67x = 593,515,548,195.11
  5. Step 5: Solve for x
    x = 593,515,548,195.11/874,023.67
  6. Step 6: Final answer
    x = 679,061.18

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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.