Home / 1,618,840.60-2,234,003.28-893,689.32

Finding the Fourth Proportional to 1,618,840.60, 2,234,003.28 and 893,689.32

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Solution

The fourth proportional to 1,618,840.60, 2,234,003.28 and 893,689.32 is: 1,233,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,840.60 : 2,234,003.28 = 893,689.32 : x
  2. Step 2: Convert to fraction form
    1,618,840.60/2,234,003.28 = 893,689.32/x
  3. Step 3: Cross multiply
    1,618,840.60x = 2,234,003.28 × 893,689.32
  4. Step 4: Simplify right side
    1,618,840.60x = 1,996,504,872,180.97
  5. Step 5: Solve for x
    x = 1,996,504,872,180.97/1,618,840.60
  6. Step 6: Final answer
    x = 1,233,293.06

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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.