Home / 1,400,613.09-1,932,819.82-856,708.92

Finding the Fourth Proportional to 1,400,613.09, 1,932,819.82 and 856,708.92

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Solution

The fourth proportional to 1,400,613.09, 1,932,819.82 and 856,708.92 is: 1,182,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,613.09 : 1,932,819.82 = 856,708.92 : x
  2. Step 2: Convert to fraction form
    1,400,613.09/1,932,819.82 = 856,708.92/x
  3. Step 3: Cross multiply
    1,400,613.09x = 1,932,819.82 × 856,708.92
  4. Step 4: Simplify right side
    1,400,613.09x = 1,655,863,983,841.08
  5. Step 5: Solve for x
    x = 1,655,863,983,841.08/1,400,613.09
  6. Step 6: Final answer
    x = 1,182,242.26

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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.