Home / 885,616.40-1,328,424.60-836,627.60

Finding the Fourth Proportional to 885,616.40, 1,328,424.60 and 836,627.60

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Solution

The fourth proportional to 885,616.40, 1,328,424.60 and 836,627.60 is: 1,254,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,616.40 : 1,328,424.60 = 836,627.60 : x
  2. Step 2: Convert to fraction form
    885,616.40/1,328,424.60 = 836,627.60/x
  3. Step 3: Cross multiply
    885,616.40x = 1,328,424.60 × 836,627.60
  4. Step 4: Simplify right side
    885,616.40x = 1,111,396,684,878.96
  5. Step 5: Solve for x
    x = 1,111,396,684,878.96/885,616.40
  6. Step 6: Final answer
    x = 1,254,941.40

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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.