Home / 919,035.32-1,377,291.84-581,471.70

Finding the Fourth Proportional to 919,035.32, 1,377,291.84 and 581,471.70

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Solution

The fourth proportional to 919,035.32, 1,377,291.84 and 581,471.70 is: 871,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,035.32 : 1,377,291.84 = 581,471.70 : x
  2. Step 2: Convert to fraction form
    919,035.32/1,377,291.84 = 581,471.70/x
  3. Step 3: Cross multiply
    919,035.32x = 1,377,291.84 × 581,471.70
  4. Step 4: Simplify right side
    919,035.32x = 800,856,227,600.93
  5. Step 5: Solve for x
    x = 800,856,227,600.93/919,035.32
  6. Step 6: Final answer
    x = 871,409.63

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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.