Home / 412,815.58-569,443.56-259,610.76

Finding the Fourth Proportional to 412,815.58, 569,443.56 and 259,610.76

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Solution

The fourth proportional to 412,815.58, 569,443.56 and 259,610.76 is: 358,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,815.58 : 569,443.56 = 259,610.76 : x
  2. Step 2: Convert to fraction form
    412,815.58/569,443.56 = 259,610.76/x
  3. Step 3: Cross multiply
    412,815.58x = 569,443.56 × 259,610.76
  4. Step 4: Simplify right side
    412,815.58x = 147,833,677,524.12
  5. Step 5: Solve for x
    x = 147,833,677,524.12/412,815.58
  6. Step 6: Final answer
    x = 358,110.70

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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.