Home / 762,370.76-1,052,197.62-422,948.36

Finding the Fourth Proportional to 762,370.76, 1,052,197.62 and 422,948.36

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Solution

The fourth proportional to 762,370.76, 1,052,197.62 and 422,948.36 is: 583,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,370.76 : 1,052,197.62 = 422,948.36 : x
  2. Step 2: Convert to fraction form
    762,370.76/1,052,197.62 = 422,948.36/x
  3. Step 3: Cross multiply
    762,370.76x = 1,052,197.62 × 422,948.36
  4. Step 4: Simplify right side
    762,370.76x = 445,025,257,774.90
  5. Step 5: Solve for x
    x = 445,025,257,774.90/762,370.76
  6. Step 6: Final answer
    x = 583,738.62

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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.