Home / 889,305.47-1,333,961.36-215,387.22

Finding the Fourth Proportional to 889,305.47, 1,333,961.36 and 215,387.22

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Solution

The fourth proportional to 889,305.47, 1,333,961.36 and 215,387.22 is: 323,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,305.47 : 1,333,961.36 = 215,387.22 : x
  2. Step 2: Convert to fraction form
    889,305.47/1,333,961.36 = 215,387.22/x
  3. Step 3: Cross multiply
    889,305.47x = 1,333,961.36 × 215,387.22
  4. Step 4: Simplify right side
    889,305.47x = 287,318,229,456.29
  5. Step 5: Solve for x
    x = 287,318,229,456.29/889,305.47
  6. Step 6: Final answer
    x = 323,081.60

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1.5x scale

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.