Home / 892,616.40-1,231,355.16-569,987.28

Finding the Fourth Proportional to 892,616.40, 1,231,355.16 and 569,987.28

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Solution

The fourth proportional to 892,616.40, 1,231,355.16 and 569,987.28 is: 786,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,616.40 : 1,231,355.16 = 569,987.28 : x
  2. Step 2: Convert to fraction form
    892,616.40/1,231,355.16 = 569,987.28/x
  3. Step 3: Cross multiply
    892,616.40x = 1,231,355.16 × 569,987.28
  4. Step 4: Simplify right side
    892,616.40x = 701,856,778,362.37
  5. Step 5: Solve for x
    x = 701,856,778,362.37/892,616.40
  6. Step 6: Final answer
    x = 786,291.60

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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.