Home / 809,446.93-1,117,182.98-482,780.88

Finding the Fourth Proportional to 809,446.93, 1,117,182.98 and 482,780.88

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Solution

The fourth proportional to 809,446.93, 1,117,182.98 and 482,780.88 is: 666,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,446.93 : 1,117,182.98 = 482,780.88 : x
  2. Step 2: Convert to fraction form
    809,446.93/1,117,182.98 = 482,780.88/x
  3. Step 3: Cross multiply
    809,446.93x = 1,117,182.98 × 482,780.88
  4. Step 4: Simplify right side
    809,446.93x = 539,354,582,205.42
  5. Step 5: Solve for x
    x = 539,354,582,205.42/809,446.93
  6. Step 6: Final answer
    x = 666,324.82

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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.