Home / 653,011.12-979,069.51-332,542.66

Finding the Fourth Proportional to 653,011.12, 979,069.51 and 332,542.66

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Solution

The fourth proportional to 653,011.12, 979,069.51 and 332,542.66 is: 498,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,011.12 : 979,069.51 = 332,542.66 : x
  2. Step 2: Convert to fraction form
    653,011.12/979,069.51 = 332,542.66/x
  3. Step 3: Cross multiply
    653,011.12x = 979,069.51 × 332,542.66
  4. Step 4: Simplify right side
    653,011.12x = 325,582,374,284.95
  5. Step 5: Solve for x
    x = 325,582,374,284.95/653,011.12
  6. Step 6: Final answer
    x = 498,586.26

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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.