Home / 1,112,282.82-1,535,028.98-628,852.55

Finding the Fourth Proportional to 1,112,282.82, 1,535,028.98 and 628,852.55

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Solution

The fourth proportional to 1,112,282.82, 1,535,028.98 and 628,852.55 is: 867,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,282.82 : 1,535,028.98 = 628,852.55 : x
  2. Step 2: Convert to fraction form
    1,112,282.82/1,535,028.98 = 628,852.55/x
  3. Step 3: Cross multiply
    1,112,282.82x = 1,535,028.98 × 628,852.55
  4. Step 4: Simplify right side
    1,112,282.82x = 965,306,877,577.49
  5. Step 5: Solve for x
    x = 965,306,877,577.49/1,112,282.82
  6. Step 6: Final answer
    x = 867,861.00

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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.