Home / 1,102,496.40-1,521,351.72-619,023.60

Finding the Fourth Proportional to 1,102,496.40, 1,521,351.72 and 619,023.60

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Solution

The fourth proportional to 1,102,496.40, 1,521,351.72 and 619,023.60 is: 854,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,496.40 : 1,521,351.72 = 619,023.60 : x
  2. Step 2: Convert to fraction form
    1,102,496.40/1,521,351.72 = 619,023.60/x
  3. Step 3: Cross multiply
    1,102,496.40x = 1,521,351.72 × 619,023.60
  4. Step 4: Simplify right side
    1,102,496.40x = 941,752,618,580.59
  5. Step 5: Solve for x
    x = 941,752,618,580.59/1,102,496.40
  6. Step 6: Final answer
    x = 854,200.18

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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.