Home / 626,584.76-939,882.20-177,320.28

Finding the Fourth Proportional to 626,584.76, 939,882.20 and 177,320.28

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Solution

The fourth proportional to 626,584.76, 939,882.20 and 177,320.28 is: 265,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,584.76 : 939,882.20 = 177,320.28 : x
  2. Step 2: Convert to fraction form
    626,584.76/939,882.20 = 177,320.28/x
  3. Step 3: Cross multiply
    626,584.76x = 939,882.20 × 177,320.28
  4. Step 4: Simplify right side
    626,584.76x = 166,660,173,984.42
  5. Step 5: Solve for x
    x = 166,660,173,984.42/626,584.76
  6. Step 6: Final answer
    x = 265,981.85

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1.5x scale

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.