Home / 678,665.18-936,323.46-433,793.18

Finding the Fourth Proportional to 678,665.18, 936,323.46 and 433,793.18

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Solution

The fourth proportional to 678,665.18, 936,323.46 and 433,793.18 is: 598,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,665.18 : 936,323.46 = 433,793.18 : x
  2. Step 2: Convert to fraction form
    678,665.18/936,323.46 = 433,793.18/x
  3. Step 3: Cross multiply
    678,665.18x = 936,323.46 × 433,793.18
  4. Step 4: Simplify right side
    678,665.18x = 406,170,726,540.39
  5. Step 5: Solve for x
    x = 406,170,726,540.39/678,665.18
  6. Step 6: Final answer
    x = 598,484.70

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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.