Home / 1,047,135.22-1,569,249.64-477,123.28

Finding the Fourth Proportional to 1,047,135.22, 1,569,249.64 and 477,123.28

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Solution

The fourth proportional to 1,047,135.22, 1,569,249.64 and 477,123.28 is: 715,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,135.22 : 1,569,249.64 = 477,123.28 : x
  2. Step 2: Convert to fraction form
    1,047,135.22/1,569,249.64 = 477,123.28/x
  3. Step 3: Cross multiply
    1,047,135.22x = 1,569,249.64 × 477,123.28
  4. Step 4: Simplify right side
    1,047,135.22x = 748,725,535,375.62
  5. Step 5: Solve for x
    x = 748,725,535,375.62/1,047,135.22
  6. Step 6: Final answer
    x = 715,022.78

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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.