Home / 928,663.40-1,392,885.66-254,812.84

Finding the Fourth Proportional to 928,663.40, 1,392,885.66 and 254,812.84

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Solution

The fourth proportional to 928,663.40, 1,392,885.66 and 254,812.84 is: 382,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,663.40 : 1,392,885.66 = 254,812.84 : x
  2. Step 2: Convert to fraction form
    928,663.40/1,392,885.66 = 254,812.84/x
  3. Step 3: Cross multiply
    928,663.40x = 1,392,885.66 × 254,812.84
  4. Step 4: Simplify right side
    928,663.40x = 354,925,150,819.87
  5. Step 5: Solve for x
    x = 354,925,150,819.87/928,663.40
  6. Step 6: Final answer
    x = 382,189.23

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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.