Home / 910,754.60-1,257,957.32-682,333.40

Finding the Fourth Proportional to 910,754.60, 1,257,957.32 and 682,333.40

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Solution

The fourth proportional to 910,754.60, 1,257,957.32 and 682,333.40 is: 942,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,754.60 : 1,257,957.32 = 682,333.40 : x
  2. Step 2: Convert to fraction form
    910,754.60/1,257,957.32 = 682,333.40/x
  3. Step 3: Cross multiply
    910,754.60x = 1,257,957.32 × 682,333.40
  4. Step 4: Simplify right side
    910,754.60x = 858,346,295,210.49
  5. Step 5: Solve for x
    x = 858,346,295,210.49/910,754.60
  6. Step 6: Final answer
    x = 942,456.17

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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.