Home / 1,126,494.64-1,689,544.91-316,686.54

Finding the Fourth Proportional to 1,126,494.64, 1,689,544.91 and 316,686.54

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Solution

The fourth proportional to 1,126,494.64, 1,689,544.91 and 316,686.54 is: 474,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,494.64 : 1,689,544.91 = 316,686.54 : x
  2. Step 2: Convert to fraction form
    1,126,494.64/1,689,544.91 = 316,686.54/x
  3. Step 3: Cross multiply
    1,126,494.64x = 1,689,544.91 × 316,686.54
  4. Step 4: Simplify right side
    1,126,494.64x = 535,056,138,850.02
  5. Step 5: Solve for x
    x = 535,056,138,850.02/1,126,494.64
  6. Step 6: Final answer
    x = 474,974.42

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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.