Home / 725,510.32-1,088,263.77-193,031.44

Finding the Fourth Proportional to 725,510.32, 1,088,263.77 and 193,031.44

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Solution

The fourth proportional to 725,510.32, 1,088,263.77 and 193,031.44 is: 289,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,510.32 : 1,088,263.77 = 193,031.44 : x
  2. Step 2: Convert to fraction form
    725,510.32/1,088,263.77 = 193,031.44/x
  3. Step 3: Cross multiply
    725,510.32x = 1,088,263.77 × 193,031.44
  4. Step 4: Simplify right side
    725,510.32x = 210,069,122,622.93
  5. Step 5: Solve for x
    x = 210,069,122,622.93/725,510.32
  6. Step 6: Final answer
    x = 289,546.71

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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.