Home / 890,353.59-1,228,748.22-503,034.66

Finding the Fourth Proportional to 890,353.59, 1,228,748.22 and 503,034.66

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Solution

The fourth proportional to 890,353.59, 1,228,748.22 and 503,034.66 is: 694,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,353.59 : 1,228,748.22 = 503,034.66 : x
  2. Step 2: Convert to fraction form
    890,353.59/1,228,748.22 = 503,034.66/x
  3. Step 3: Cross multiply
    890,353.59x = 1,228,748.22 × 503,034.66
  4. Step 4: Simplify right side
    890,353.59x = 618,102,943,073.31
  5. Step 5: Solve for x
    x = 618,102,943,073.31/890,353.59
  6. Step 6: Final answer
    x = 694,221.88

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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.