Home / 1,301,868.06-1,953,113.81-543,287.54

Finding the Fourth Proportional to 1,301,868.06, 1,953,113.81 and 543,287.54

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Solution

The fourth proportional to 1,301,868.06, 1,953,113.81 and 543,287.54 is: 815,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,868.06 : 1,953,113.81 = 543,287.54 : x
  2. Step 2: Convert to fraction form
    1,301,868.06/1,953,113.81 = 543,287.54/x
  3. Step 3: Cross multiply
    1,301,868.06x = 1,953,113.81 × 543,287.54
  4. Step 4: Simplify right side
    1,301,868.06x = 1,061,102,384,692.92
  5. Step 5: Solve for x
    x = 1,061,102,384,692.92/1,301,868.06
  6. Step 6: Final answer
    x = 815,061.39

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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.