Home / 816,694.02-1,126,951.92-454,059.72

Finding the Fourth Proportional to 816,694.02, 1,126,951.92 and 454,059.72

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Solution

The fourth proportional to 816,694.02, 1,126,951.92 and 454,059.72 is: 626,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,694.02 : 1,126,951.92 = 454,059.72 : x
  2. Step 2: Convert to fraction form
    816,694.02/1,126,951.92 = 454,059.72/x
  3. Step 3: Cross multiply
    816,694.02x = 1,126,951.92 × 454,059.72
  4. Step 4: Simplify right side
    816,694.02x = 511,703,473,248.66
  5. Step 5: Solve for x
    x = 511,703,473,248.66/816,694.02
  6. Step 6: Final answer
    x = 626,554.70

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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.