Home / 910,752.60-1,257,954.56-682,331.40

Finding the Fourth Proportional to 910,752.60, 1,257,954.56 and 682,331.40

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Solution

The fourth proportional to 910,752.60, 1,257,954.56 and 682,331.40 is: 942,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,752.60 : 1,257,954.56 = 682,331.40 : x
  2. Step 2: Convert to fraction form
    910,752.60/1,257,954.56 = 682,331.40/x
  3. Step 3: Cross multiply
    910,752.60x = 1,257,954.56 × 682,331.40
  4. Step 4: Simplify right side
    910,752.60x = 858,341,896,061.18
  5. Step 5: Solve for x
    x = 858,341,896,061.18/910,752.60
  6. Step 6: Final answer
    x = 942,453.41

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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.