Home / 754,187.92-1,040,752.72-414,653.60

Finding the Fourth Proportional to 754,187.92, 1,040,752.72 and 414,653.60

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Solution

The fourth proportional to 754,187.92, 1,040,752.72 and 414,653.60 is: 572,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,187.92 : 1,040,752.72 = 414,653.60 : x
  2. Step 2: Convert to fraction form
    754,187.92/1,040,752.72 = 414,653.60/x
  3. Step 3: Cross multiply
    754,187.92x = 1,040,752.72 × 414,653.60
  4. Step 4: Simplify right side
    754,187.92x = 431,551,862,057.79
  5. Step 5: Solve for x
    x = 431,551,862,057.79/754,187.92
  6. Step 6: Final answer
    x = 572,207.34

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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.