Home / 693,835.32-957,480.30-392,022.84

Finding the Fourth Proportional to 693,835.32, 957,480.30 and 392,022.84

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Solution

The fourth proportional to 693,835.32, 957,480.30 and 392,022.84 is: 540,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,835.32 : 957,480.30 = 392,022.84 : x
  2. Step 2: Convert to fraction form
    693,835.32/957,480.30 = 392,022.84/x
  3. Step 3: Cross multiply
    693,835.32x = 957,480.30 × 392,022.84
  4. Step 4: Simplify right side
    693,835.32x = 375,354,146,450.05
  5. Step 5: Solve for x
    x = 375,354,146,450.05/693,835.32
  6. Step 6: Final answer
    x = 540,984.49

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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.