Home / 863,156.27-1,191,226.55-476,047.41

Finding the Fourth Proportional to 863,156.27, 1,191,226.55 and 476,047.41

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Solution

The fourth proportional to 863,156.27, 1,191,226.55 and 476,047.41 is: 656,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,156.27 : 1,191,226.55 = 476,047.41 : x
  2. Step 2: Convert to fraction form
    863,156.27/1,191,226.55 = 476,047.41/x
  3. Step 3: Cross multiply
    863,156.27x = 1,191,226.55 × 476,047.41
  4. Step 4: Simplify right side
    863,156.27x = 567,080,311,470.50
  5. Step 5: Solve for x
    x = 567,080,311,470.50/863,156.27
  6. Step 6: Final answer
    x = 656,984.53

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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.