Home / 1,132,175.38-1,698,207.72-422,148.01

Finding the Fourth Proportional to 1,132,175.38, 1,698,207.72 and 422,148.01

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Solution

The fourth proportional to 1,132,175.38, 1,698,207.72 and 422,148.01 is: 633,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,175.38 : 1,698,207.72 = 422,148.01 : x
  2. Step 2: Convert to fraction form
    1,132,175.38/1,698,207.72 = 422,148.01/x
  3. Step 3: Cross multiply
    1,132,175.38x = 1,698,207.72 × 422,148.01
  4. Step 4: Simplify right side
    1,132,175.38x = 716,895,009,564.64
  5. Step 5: Solve for x
    x = 716,895,009,564.64/1,132,175.38
  6. Step 6: Final answer
    x = 633,201.38

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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.