Home / 641,680.46-885,598.18-366,106.16

Finding the Fourth Proportional to 641,680.46, 885,598.18 and 366,106.16

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Solution

The fourth proportional to 641,680.46, 885,598.18 and 366,106.16 is: 505,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,680.46 : 885,598.18 = 366,106.16 : x
  2. Step 2: Convert to fraction form
    641,680.46/885,598.18 = 366,106.16/x
  3. Step 3: Cross multiply
    641,680.46x = 885,598.18 × 366,106.16
  4. Step 4: Simplify right side
    641,680.46x = 324,222,951,654.42
  5. Step 5: Solve for x
    x = 324,222,951,654.42/641,680.46
  6. Step 6: Final answer
    x = 505,271.66

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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.