Home / 622,764.24-859,419.72-354,509.52

Finding the Fourth Proportional to 622,764.24, 859,419.72 and 354,509.52

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Solution

The fourth proportional to 622,764.24, 859,419.72 and 354,509.52 is: 489,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,764.24 : 859,419.72 = 354,509.52 : x
  2. Step 2: Convert to fraction form
    622,764.24/859,419.72 = 354,509.52/x
  3. Step 3: Cross multiply
    622,764.24x = 859,419.72 × 354,509.52
  4. Step 4: Simplify right side
    622,764.24x = 304,672,472,415.73
  5. Step 5: Solve for x
    x = 304,672,472,415.73/622,764.24
  6. Step 6: Final answer
    x = 489,226.02

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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.