Home / 1,188,737.04-1,640,451.60-644,873.16

Finding the Fourth Proportional to 1,188,737.04, 1,640,451.60 and 644,873.16

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Solution

The fourth proportional to 1,188,737.04, 1,640,451.60 and 644,873.16 is: 889,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,737.04 : 1,640,451.60 = 644,873.16 : x
  2. Step 2: Convert to fraction form
    1,188,737.04/1,640,451.60 = 644,873.16/x
  3. Step 3: Cross multiply
    1,188,737.04x = 1,640,451.60 × 644,873.16
  4. Step 4: Simplify right side
    1,188,737.04x = 1,057,883,207,119.06
  5. Step 5: Solve for x
    x = 1,057,883,207,119.06/1,188,737.04
  6. Step 6: Final answer
    x = 889,921.97

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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.