Home / 1,220,015.99-1,683,622.01-676,233.47

Finding the Fourth Proportional to 1,220,015.99, 1,683,622.01 and 676,233.47

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Solution

The fourth proportional to 1,220,015.99, 1,683,622.01 and 676,233.47 is: 933,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,015.99 : 1,683,622.01 = 676,233.47 : x
  2. Step 2: Convert to fraction form
    1,220,015.99/1,683,622.01 = 676,233.47/x
  3. Step 3: Cross multiply
    1,220,015.99x = 1,683,622.01 × 676,233.47
  4. Step 4: Simplify right side
    1,220,015.99x = 1,138,521,542,191.40
  5. Step 5: Solve for x
    x = 1,138,521,542,191.40/1,220,015.99
  6. Step 6: Final answer
    x = 933,202.15

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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.