Home / 827,654.20-1,241,711.70-406,943.80

Finding the Fourth Proportional to 827,654.20, 1,241,711.70 and 406,943.80

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Solution

The fourth proportional to 827,654.20, 1,241,711.70 and 406,943.80 is: 610,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,654.20 : 1,241,711.70 = 406,943.80 : x
  2. Step 2: Convert to fraction form
    827,654.20/1,241,711.70 = 406,943.80/x
  3. Step 3: Cross multiply
    827,654.20x = 1,241,711.70 × 406,943.80
  4. Step 4: Simplify right side
    827,654.20x = 505,306,877,702.46
  5. Step 5: Solve for x
    x = 505,306,877,702.46/827,654.20
  6. Step 6: Final answer
    x = 610,528.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.