Home / 753,453.50-1,039,766.26-413,943.62

Finding the Fourth Proportional to 753,453.50, 1,039,766.26 and 413,943.62

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Solution

The fourth proportional to 753,453.50, 1,039,766.26 and 413,943.62 is: 571,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,453.50 : 1,039,766.26 = 413,943.62 : x
  2. Step 2: Convert to fraction form
    753,453.50/1,039,766.26 = 413,943.62/x
  3. Step 3: Cross multiply
    753,453.50x = 1,039,766.26 × 413,943.62
  4. Step 4: Simplify right side
    753,453.50x = 430,404,609,618.26
  5. Step 5: Solve for x
    x = 430,404,609,618.26/753,453.50
  6. Step 6: Final answer
    x = 571,242.43

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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.