Home / 626,630.07-939,793.90-289,346.49

Finding the Fourth Proportional to 626,630.07, 939,793.90 and 289,346.49

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Solution

The fourth proportional to 626,630.07, 939,793.90 and 289,346.49 is: 433,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,630.07 : 939,793.90 = 289,346.49 : x
  2. Step 2: Convert to fraction form
    626,630.07/939,793.90 = 289,346.49/x
  3. Step 3: Cross multiply
    626,630.07x = 939,793.90 × 289,346.49
  4. Step 4: Simplify right side
    626,630.07x = 271,926,066,288.41
  5. Step 5: Solve for x
    x = 271,926,066,288.41/626,630.07
  6. Step 6: Final answer
    x = 433,949.92

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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.