Home / 628,695.07-943,042.91-207,970.94

Finding the Fourth Proportional to 628,695.07, 943,042.91 and 207,970.94

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Solution

The fourth proportional to 628,695.07, 943,042.91 and 207,970.94 is: 311,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,695.07 : 943,042.91 = 207,970.94 : x
  2. Step 2: Convert to fraction form
    628,695.07/943,042.91 = 207,970.94/x
  3. Step 3: Cross multiply
    628,695.07x = 943,042.91 × 207,970.94
  4. Step 4: Simplify right side
    628,695.07x = 196,125,521,770.79
  5. Step 5: Solve for x
    x = 196,125,521,770.79/628,695.07
  6. Step 6: Final answer
    x = 311,956.51

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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.