Home / 919,036.32-1,377,293.34-581,472.70

Finding the Fourth Proportional to 919,036.32, 1,377,293.34 and 581,472.70

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Solution

The fourth proportional to 919,036.32, 1,377,293.34 and 581,472.70 is: 871,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,036.32 : 1,377,293.34 = 581,472.70 : x
  2. Step 2: Convert to fraction form
    919,036.32/1,377,293.34 = 581,472.70/x
  3. Step 3: Cross multiply
    919,036.32x = 1,377,293.34 × 581,472.70
  4. Step 4: Simplify right side
    919,036.32x = 800,858,477,101.82
  5. Step 5: Solve for x
    x = 800,858,477,101.82/919,036.32
  6. Step 6: Final answer
    x = 871,411.13

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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.