Home / 554,290.10-829,359.15-394,734.90

Finding the Fourth Proportional to 554,290.10, 829,359.15 and 394,734.90

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Solution

The fourth proportional to 554,290.10, 829,359.15 and 394,734.90 is: 590,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,290.10 : 829,359.15 = 394,734.90 : x
  2. Step 2: Convert to fraction form
    554,290.10/829,359.15 = 394,734.90/x
  3. Step 3: Cross multiply
    554,290.10x = 829,359.15 × 394,734.90
  4. Step 4: Simplify right side
    554,290.10x = 327,377,001,139.34
  5. Step 5: Solve for x
    x = 327,377,001,139.34/554,290.10
  6. Step 6: Final answer
    x = 590,623.94

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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.