Home / 859,694.16-1,186,031.52-519,571.92

Finding the Fourth Proportional to 859,694.16, 1,186,031.52 and 519,571.92

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Solution

The fourth proportional to 859,694.16, 1,186,031.52 and 519,571.92 is: 716,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,694.16 : 1,186,031.52 = 519,571.92 : x
  2. Step 2: Convert to fraction form
    859,694.16/1,186,031.52 = 519,571.92/x
  3. Step 3: Cross multiply
    859,694.16x = 1,186,031.52 × 519,571.92
  4. Step 4: Simplify right side
    859,694.16x = 616,228,674,026.92
  5. Step 5: Solve for x
    x = 616,228,674,026.92/859,694.16
  6. Step 6: Final answer
    x = 716,799.88

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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.