Home / 1,286,026.56-1,928,378.88-754,595.28

Finding the Fourth Proportional to 1,286,026.56, 1,928,378.88 and 754,595.28

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Solution

The fourth proportional to 1,286,026.56, 1,928,378.88 and 754,595.28 is: 1,131,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,026.56 : 1,928,378.88 = 754,595.28 : x
  2. Step 2: Convert to fraction form
    1,286,026.56/1,928,378.88 = 754,595.28/x
  3. Step 3: Cross multiply
    1,286,026.56x = 1,928,378.88 × 754,595.28
  4. Step 4: Simplify right side
    1,286,026.56x = 1,455,145,600,899.69
  5. Step 5: Solve for x
    x = 1,455,145,600,899.69/1,286,026.56
  6. Step 6: Final answer
    x = 1,131,505.09

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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.