Home / 816,527.18-1,126,754.94-453,941.72

Finding the Fourth Proportional to 816,527.18, 1,126,754.94 and 453,941.72

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Solution

The fourth proportional to 816,527.18, 1,126,754.94 and 453,941.72 is: 626,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,527.18 : 1,126,754.94 = 453,941.72 : x
  2. Step 2: Convert to fraction form
    816,527.18/1,126,754.94 = 453,941.72/x
  3. Step 3: Cross multiply
    816,527.18x = 1,126,754.94 × 453,941.72
  4. Step 4: Simplify right side
    816,527.18x = 511,481,067,578.61
  5. Step 5: Solve for x
    x = 511,481,067,578.61/816,527.18
  6. Step 6: Final answer
    x = 626,410.34

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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.