Home / 880,116.94-1,214,422.57-512,654.54

Finding the Fourth Proportional to 880,116.94, 1,214,422.57 and 512,654.54

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Solution

The fourth proportional to 880,116.94, 1,214,422.57 and 512,654.54 is: 707,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,116.94 : 1,214,422.57 = 512,654.54 : x
  2. Step 2: Convert to fraction form
    880,116.94/1,214,422.57 = 512,654.54/x
  3. Step 3: Cross multiply
    880,116.94x = 1,214,422.57 × 512,654.54
  4. Step 4: Simplify right side
    880,116.94x = 622,579,248,804.36
  5. Step 5: Solve for x
    x = 622,579,248,804.36/880,116.94
  6. Step 6: Final answer
    x = 707,382.42

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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.