Home / 1,533,405.78-2,297,160.72-857,436.87

Finding the Fourth Proportional to 1,533,405.78, 2,297,160.72 and 857,436.87

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Solution

The fourth proportional to 1,533,405.78, 2,297,160.72 and 857,436.87 is: 1,284,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,405.78 : 2,297,160.72 = 857,436.87 : x
  2. Step 2: Convert to fraction form
    1,533,405.78/2,297,160.72 = 857,436.87/x
  3. Step 3: Cross multiply
    1,533,405.78x = 2,297,160.72 × 857,436.87
  4. Step 4: Simplify right side
    1,533,405.78x = 1,969,670,297,643.75
  5. Step 5: Solve for x
    x = 1,969,670,297,643.75/1,533,405.78
  6. Step 6: Final answer
    x = 1,284,506.90

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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.