Home / 753,971.88-1,040,428.10-414,462.12

Finding the Fourth Proportional to 753,971.88, 1,040,428.10 and 414,462.12

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Solution

The fourth proportional to 753,971.88, 1,040,428.10 and 414,462.12 is: 571,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,971.88 : 1,040,428.10 = 414,462.12 : x
  2. Step 2: Convert to fraction form
    753,971.88/1,040,428.10 = 414,462.12/x
  3. Step 3: Cross multiply
    753,971.88x = 1,040,428.10 × 414,462.12
  4. Step 4: Simplify right side
    753,971.88x = 431,218,036,033.57
  5. Step 5: Solve for x
    x = 431,218,036,033.57/753,971.88
  6. Step 6: Final answer
    x = 571,928.54

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Double scale
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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.