Home / 770,942.24-1,063,908.70-426,783.92

Finding the Fourth Proportional to 770,942.24, 1,063,908.70 and 426,783.92

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Solution

The fourth proportional to 770,942.24, 1,063,908.70 and 426,783.92 is: 588,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,942.24 : 1,063,908.70 = 426,783.92 : x
  2. Step 2: Convert to fraction form
    770,942.24/1,063,908.70 = 426,783.92/x
  3. Step 3: Cross multiply
    770,942.24x = 1,063,908.70 × 426,783.92
  4. Step 4: Simplify right side
    770,942.24x = 454,059,126,306.42
  5. Step 5: Solve for x
    x = 454,059,126,306.42/770,942.24
  6. Step 6: Final answer
    x = 588,966.47

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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.