Home / 693,786.52-957,444.06-391,974.04

Finding the Fourth Proportional to 693,786.52, 957,444.06 and 391,974.04

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Solution

The fourth proportional to 693,786.52, 957,444.06 and 391,974.04 is: 540,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,786.52 : 957,444.06 = 391,974.04 : x
  2. Step 2: Convert to fraction form
    693,786.52/957,444.06 = 391,974.04/x
  3. Step 3: Cross multiply
    693,786.52x = 957,444.06 × 391,974.04
  4. Step 4: Simplify right side
    693,786.52x = 375,293,216,272.20
  5. Step 5: Solve for x
    x = 375,293,216,272.20/693,786.52
  6. Step 6: Final answer
    x = 540,934.72

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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.