Home / 753,838.30-1,040,285.19-414,299.26

Finding the Fourth Proportional to 753,838.30, 1,040,285.19 and 414,299.26

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Solution

The fourth proportional to 753,838.30, 1,040,285.19 and 414,299.26 is: 571,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,838.30 : 1,040,285.19 = 414,299.26 : x
  2. Step 2: Convert to fraction form
    753,838.30/1,040,285.19 = 414,299.26/x
  3. Step 3: Cross multiply
    753,838.30x = 1,040,285.19 × 414,299.26
  4. Step 4: Simplify right side
    753,838.30x = 430,989,384,405.96
  5. Step 5: Solve for x
    x = 430,989,384,405.96/753,838.30
  6. Step 6: Final answer
    x = 571,726.57

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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.