Home / 1,245,701.70-1,868,552.55-1,222,082.10

Finding the Fourth Proportional to 1,245,701.70, 1,868,552.55 and 1,222,082.10

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Solution

The fourth proportional to 1,245,701.70, 1,868,552.55 and 1,222,082.10 is: 1,833,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,701.70 : 1,868,552.55 = 1,222,082.10 : x
  2. Step 2: Convert to fraction form
    1,245,701.70/1,868,552.55 = 1,222,082.10/x
  3. Step 3: Cross multiply
    1,245,701.70x = 1,868,552.55 × 1,222,082.10
  4. Step 4: Simplify right side
    1,245,701.70x = 2,283,524,624,264.36
  5. Step 5: Solve for x
    x = 2,283,524,624,264.36/1,245,701.70
  6. Step 6: Final answer
    x = 1,833,123.15

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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.