Home / 923,520.67-1,274,446.11-515,628.76

Finding the Fourth Proportional to 923,520.67, 1,274,446.11 and 515,628.76

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Solution

The fourth proportional to 923,520.67, 1,274,446.11 and 515,628.76 is: 711,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,520.67 : 1,274,446.11 = 515,628.76 : x
  2. Step 2: Convert to fraction form
    923,520.67/1,274,446.11 = 515,628.76/x
  3. Step 3: Cross multiply
    923,520.67x = 1,274,446.11 × 515,628.76
  4. Step 4: Simplify right side
    923,520.67x = 657,141,067,386.12
  5. Step 5: Solve for x
    x = 657,141,067,386.12/923,520.67
  6. Step 6: Final answer
    x = 711,560.76

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Double scale
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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.