Home / 627,206.63-865,552.52-340,731.23

Finding the Fourth Proportional to 627,206.63, 865,552.52 and 340,731.23

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Solution

The fourth proportional to 627,206.63, 865,552.52 and 340,731.23 is: 470,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,206.63 : 865,552.52 = 340,731.23 : x
  2. Step 2: Convert to fraction form
    627,206.63/865,552.52 = 340,731.23/x
  3. Step 3: Cross multiply
    627,206.63x = 865,552.52 × 340,731.23
  4. Step 4: Simplify right side
    627,206.63x = 294,920,774,769.20
  5. Step 5: Solve for x
    x = 294,920,774,769.20/627,206.63
  6. Step 6: Final answer
    x = 470,213.10

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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.