Home / 694,246.20-958,047.06-392,440.20

Finding the Fourth Proportional to 694,246.20, 958,047.06 and 392,440.20

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Solution

The fourth proportional to 694,246.20, 958,047.06 and 392,440.20 is: 541,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,246.20 : 958,047.06 = 392,440.20 : x
  2. Step 2: Convert to fraction form
    694,246.20/958,047.06 = 392,440.20/x
  3. Step 3: Cross multiply
    694,246.20x = 958,047.06 × 392,440.20
  4. Step 4: Simplify right side
    694,246.20x = 375,976,179,835.81
  5. Step 5: Solve for x
    x = 375,976,179,835.81/694,246.20
  6. Step 6: Final answer
    x = 541,560.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.