Home / 806,822.90-1,209,951.96-238,053.05

Finding the Fourth Proportional to 806,822.90, 1,209,951.96 and 238,053.05

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Solution

The fourth proportional to 806,822.90, 1,209,951.96 and 238,053.05 is: 356,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,822.90 : 1,209,951.96 = 238,053.05 : x
  2. Step 2: Convert to fraction form
    806,822.90/1,209,951.96 = 238,053.05/x
  3. Step 3: Cross multiply
    806,822.90x = 1,209,951.96 × 238,053.05
  4. Step 4: Simplify right side
    806,822.90x = 288,032,752,026.34
  5. Step 5: Solve for x
    x = 288,032,752,026.34/806,822.90
  6. Step 6: Final answer
    x = 356,996.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.