Home / 679,624.20-937,905.45-373,723.77

Finding the Fourth Proportional to 679,624.20, 937,905.45 and 373,723.77

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Solution

The fourth proportional to 679,624.20, 937,905.45 and 373,723.77 is: 515,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,624.20 : 937,905.45 = 373,723.77 : x
  2. Step 2: Convert to fraction form
    679,624.20/937,905.45 = 373,723.77/x
  3. Step 3: Cross multiply
    679,624.20x = 937,905.45 × 373,723.77
  4. Step 4: Simplify right side
    679,624.20x = 350,517,560,677.55
  5. Step 5: Solve for x
    x = 350,517,560,677.55/679,624.20
  6. Step 6: Final answer
    x = 515,752.03

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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.