Home / 620,301.15-930,581.33-199,619.55

Finding the Fourth Proportional to 620,301.15, 930,581.33 and 199,619.55

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Solution

The fourth proportional to 620,301.15, 930,581.33 and 199,619.55 is: 299,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,301.15 : 930,581.33 = 199,619.55 : x
  2. Step 2: Convert to fraction form
    620,301.15/930,581.33 = 199,619.55/x
  3. Step 3: Cross multiply
    620,301.15x = 930,581.33 × 199,619.55
  4. Step 4: Simplify right side
    620,301.15x = 185,762,225,334.90
  5. Step 5: Solve for x
    x = 185,762,225,334.90/620,301.15
  6. Step 6: Final answer
    x = 299,471.03

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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.