Home / 626,333.85-939,040.68-199,624.14

Finding the Fourth Proportional to 626,333.85, 939,040.68 and 199,624.14

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Solution

The fourth proportional to 626,333.85, 939,040.68 and 199,624.14 is: 299,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,333.85 : 939,040.68 = 199,624.14 : x
  2. Step 2: Convert to fraction form
    626,333.85/939,040.68 = 199,624.14/x
  3. Step 3: Cross multiply
    626,333.85x = 939,040.68 × 199,624.14
  4. Step 4: Simplify right side
    626,333.85x = 187,455,188,170.02
  5. Step 5: Solve for x
    x = 187,455,188,170.02/626,333.85
  6. Step 6: Final answer
    x = 299,289.57

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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.