Home / 753,826.50-1,040,280.57-414,294.75

Finding the Fourth Proportional to 753,826.50, 1,040,280.57 and 414,294.75

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Solution

The fourth proportional to 753,826.50, 1,040,280.57 and 414,294.75 is: 571,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,826.50 : 1,040,280.57 = 414,294.75 : x
  2. Step 2: Convert to fraction form
    753,826.50/1,040,280.57 = 414,294.75/x
  3. Step 3: Cross multiply
    753,826.50x = 1,040,280.57 × 414,294.75
  4. Step 4: Simplify right side
    753,826.50x = 430,982,778,678.01
  5. Step 5: Solve for x
    x = 430,982,778,678.01/753,826.50
  6. Step 6: Final answer
    x = 571,726.76

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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.