Home / 725,153.52-1,000,981.32-622,767.84

Finding the Fourth Proportional to 725,153.52, 1,000,981.32 and 622,767.84

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Solution

The fourth proportional to 725,153.52, 1,000,981.32 and 622,767.84 is: 859,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,153.52 : 1,000,981.32 = 622,767.84 : x
  2. Step 2: Convert to fraction form
    725,153.52/1,000,981.32 = 622,767.84/x
  3. Step 3: Cross multiply
    725,153.52x = 1,000,981.32 × 622,767.84
  4. Step 4: Simplify right side
    725,153.52x = 623,378,974,536.75
  5. Step 5: Solve for x
    x = 623,378,974,536.75/725,153.52
  6. Step 6: Final answer
    x = 859,651.04

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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.