Home / 660,719.33-991,020.67-239,998.85

Finding the Fourth Proportional to 660,719.33, 991,020.67 and 239,998.85

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Solution

The fourth proportional to 660,719.33, 991,020.67 and 239,998.85 is: 359,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,719.33 : 991,020.67 = 239,998.85 : x
  2. Step 2: Convert to fraction form
    660,719.33/991,020.67 = 239,998.85/x
  3. Step 3: Cross multiply
    660,719.33x = 991,020.67 × 239,998.85
  4. Step 4: Simplify right side
    660,719.33x = 237,843,814,971.13
  5. Step 5: Solve for x
    x = 237,843,814,971.13/660,719.33
  6. Step 6: Final answer
    x = 359,977.08

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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.