Home / 412,526.50-618,790.24-113,009.65

Finding the Fourth Proportional to 412,526.50, 618,790.24 and 113,009.65

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Solution

The fourth proportional to 412,526.50, 618,790.24 and 113,009.65 is: 169,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,526.50 : 618,790.24 = 113,009.65 : x
  2. Step 2: Convert to fraction form
    412,526.50/618,790.24 = 113,009.65/x
  3. Step 3: Cross multiply
    412,526.50x = 618,790.24 × 113,009.65
  4. Step 4: Simplify right side
    412,526.50x = 69,929,268,445.82
  5. Step 5: Solve for x
    x = 69,929,268,445.82/412,526.50
  6. Step 6: Final answer
    x = 169,514.61

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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.