Home / 724,324.15-1,086,679.40-251,009.05

Finding the Fourth Proportional to 724,324.15, 1,086,679.40 and 251,009.05

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Solution

The fourth proportional to 724,324.15, 1,086,679.40 and 251,009.05 is: 376,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,324.15 : 1,086,679.40 = 251,009.05 : x
  2. Step 2: Convert to fraction form
    724,324.15/1,086,679.40 = 251,009.05/x
  3. Step 3: Cross multiply
    724,324.15x = 1,086,679.40 × 251,009.05
  4. Step 4: Simplify right side
    724,324.15x = 272,766,363,848.57
  5. Step 5: Solve for x
    x = 272,766,363,848.57/724,324.15
  6. Step 6: Final answer
    x = 376,580.52

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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.