Home / 733,065.97-1,011,630.38-406,399.86

Finding the Fourth Proportional to 733,065.97, 1,011,630.38 and 406,399.86

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Solution

The fourth proportional to 733,065.97, 1,011,630.38 and 406,399.86 is: 560,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,065.97 : 1,011,630.38 = 406,399.86 : x
  2. Step 2: Convert to fraction form
    733,065.97/1,011,630.38 = 406,399.86/x
  3. Step 3: Cross multiply
    733,065.97x = 1,011,630.38 × 406,399.86
  4. Step 4: Simplify right side
    733,065.97x = 411,126,444,803.75
  5. Step 5: Solve for x
    x = 411,126,444,803.75/733,065.97
  6. Step 6: Final answer
    x = 560,831.44

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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.