Home / 583,574.20-805,996.70-392,255.44

Finding the Fourth Proportional to 583,574.20, 805,996.70 and 392,255.44

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Solution

The fourth proportional to 583,574.20, 805,996.70 and 392,255.44 is: 541,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,574.20 : 805,996.70 = 392,255.44 : x
  2. Step 2: Convert to fraction form
    583,574.20/805,996.70 = 392,255.44/x
  3. Step 3: Cross multiply
    583,574.20x = 805,996.70 × 392,255.44
  4. Step 4: Simplify right side
    583,574.20x = 316,156,590,197.05
  5. Step 5: Solve for x
    x = 316,156,590,197.05/583,574.20
  6. Step 6: Final answer
    x = 541,759.03

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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.