Home / 1,407,487.01-2,110,906.71-839,028.60

Finding the Fourth Proportional to 1,407,487.01, 2,110,906.71 and 839,028.60

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Solution

The fourth proportional to 1,407,487.01, 2,110,906.71 and 839,028.60 is: 1,258,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,487.01 : 2,110,906.71 = 839,028.60 : x
  2. Step 2: Convert to fraction form
    1,407,487.01/2,110,906.71 = 839,028.60/x
  3. Step 3: Cross multiply
    1,407,487.01x = 2,110,906.71 × 839,028.60
  4. Step 4: Simplify right side
    1,407,487.01x = 1,771,111,101,621.91
  5. Step 5: Solve for x
    x = 1,771,111,101,621.91/1,407,487.01
  6. Step 6: Final answer
    x = 1,258,349.88

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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.