Home / 762,227.56-1,051,848.66-422,720.92

Finding the Fourth Proportional to 762,227.56, 1,051,848.66 and 422,720.92

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Solution

The fourth proportional to 762,227.56, 1,051,848.66 and 422,720.92 is: 583,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,227.56 : 1,051,848.66 = 422,720.92 : x
  2. Step 2: Convert to fraction form
    762,227.56/1,051,848.66 = 422,720.92/x
  3. Step 3: Cross multiply
    762,227.56x = 1,051,848.66 × 422,720.92
  4. Step 4: Simplify right side
    762,227.56x = 444,638,433,255.97
  5. Step 5: Solve for x
    x = 444,638,433,255.97/762,227.56
  6. Step 6: Final answer
    x = 583,340.80

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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.