Home / 1,047,150.50-1,569,272.49-477,138.56

Finding the Fourth Proportional to 1,047,150.50, 1,569,272.49 and 477,138.56

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Solution

The fourth proportional to 1,047,150.50, 1,569,272.49 and 477,138.56 is: 715,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,150.50 : 1,569,272.49 = 477,138.56 : x
  2. Step 2: Convert to fraction form
    1,047,150.50/1,569,272.49 = 477,138.56/x
  3. Step 3: Cross multiply
    1,047,150.50x = 1,569,272.49 × 477,138.56
  4. Step 4: Simplify right side
    1,047,150.50x = 748,760,408,279.85
  5. Step 5: Solve for x
    x = 748,760,408,279.85/1,047,150.50
  6. Step 6: Final answer
    x = 715,045.65

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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.