Home / 626,302.24-939,459.12-199,902.88

Finding the Fourth Proportional to 626,302.24, 939,459.12 and 199,902.88

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Solution

The fourth proportional to 626,302.24, 939,459.12 and 199,902.88 is: 299,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,302.24 : 939,459.12 = 199,902.88 : x
  2. Step 2: Convert to fraction form
    626,302.24/939,459.12 = 199,902.88/x
  3. Step 3: Cross multiply
    626,302.24x = 939,459.12 × 199,902.88
  4. Step 4: Simplify right side
    626,302.24x = 187,800,583,730.27
  5. Step 5: Solve for x
    x = 187,800,583,730.27/626,302.24
  6. Step 6: Final answer
    x = 299,856.16

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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.