Home / 803,619.93-1,108,992.15-441,049.71

Finding the Fourth Proportional to 803,619.93, 1,108,992.15 and 441,049.71

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Solution

The fourth proportional to 803,619.93, 1,108,992.15 and 441,049.71 is: 608,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,619.93 : 1,108,992.15 = 441,049.71 : x
  2. Step 2: Convert to fraction form
    803,619.93/1,108,992.15 = 441,049.71/x
  3. Step 3: Cross multiply
    803,619.93x = 1,108,992.15 × 441,049.71
  4. Step 4: Simplify right side
    803,619.93x = 489,120,666,149.78
  5. Step 5: Solve for x
    x = 489,120,666,149.78/803,619.93
  6. Step 6: Final answer
    x = 608,646.76

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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.