Home / 627,461.82-865,896.57-340,981.26

Finding the Fourth Proportional to 627,461.82, 865,896.57 and 340,981.26

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Solution

The fourth proportional to 627,461.82, 865,896.57 and 340,981.26 is: 470,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,461.82 : 865,896.57 = 340,981.26 : x
  2. Step 2: Convert to fraction form
    627,461.82/865,896.57 = 340,981.26/x
  3. Step 3: Cross multiply
    627,461.82x = 865,896.57 × 340,981.26
  4. Step 4: Simplify right side
    627,461.82x = 295,254,503,468.28
  5. Step 5: Solve for x
    x = 295,254,503,468.28/627,461.82
  6. Step 6: Final answer
    x = 470,553.74

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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.