Home / 1,131,585.22-1,561,540.03-641,587.69

Finding the Fourth Proportional to 1,131,585.22, 1,561,540.03 and 641,587.69

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Solution

The fourth proportional to 1,131,585.22, 1,561,540.03 and 641,587.69 is: 885,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,585.22 : 1,561,540.03 = 641,587.69 : x
  2. Step 2: Convert to fraction form
    1,131,585.22/1,561,540.03 = 641,587.69/x
  3. Step 3: Cross multiply
    1,131,585.22x = 1,561,540.03 × 641,587.69
  4. Step 4: Simplify right side
    1,131,585.22x = 1,001,864,860,690.23
  5. Step 5: Solve for x
    x = 1,001,864,860,690.23/1,131,585.22
  6. Step 6: Final answer
    x = 885,364.04

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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.