Home / 1,084,768.76-1,627,457.85-401,645.36

Finding the Fourth Proportional to 1,084,768.76, 1,627,457.85 and 401,645.36

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Solution

The fourth proportional to 1,084,768.76, 1,627,457.85 and 401,645.36 is: 602,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,768.76 : 1,627,457.85 = 401,645.36 : x
  2. Step 2: Convert to fraction form
    1,084,768.76/1,627,457.85 = 401,645.36/x
  3. Step 3: Cross multiply
    1,084,768.76x = 1,627,457.85 × 401,645.36
  4. Step 4: Simplify right side
    1,084,768.76x = 653,660,885,910.79
  5. Step 5: Solve for x
    x = 653,660,885,910.79/1,084,768.76
  6. Step 6: Final answer
    x = 602,580.86

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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.