Home / 893,121.12-1,231,662.60-586,656.72

Finding the Fourth Proportional to 893,121.12, 1,231,662.60 and 586,656.72

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Solution

The fourth proportional to 893,121.12, 1,231,662.60 and 586,656.72 is: 809,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,121.12 : 1,231,662.60 = 586,656.72 : x
  2. Step 2: Convert to fraction form
    893,121.12/1,231,662.60 = 586,656.72/x
  3. Step 3: Cross multiply
    893,121.12x = 1,231,662.60 × 586,656.72
  4. Step 4: Simplify right side
    893,121.12x = 722,563,141,062.67
  5. Step 5: Solve for x
    x = 722,563,141,062.67/893,121.12
  6. Step 6: Final answer
    x = 809,031.52

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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.