Home / 1,514,904.11-2,091,325.25-942,128.81

Finding the Fourth Proportional to 1,514,904.11, 2,091,325.25 and 942,128.81

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Solution

The fourth proportional to 1,514,904.11, 2,091,325.25 and 942,128.81 is: 1,300,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,904.11 : 2,091,325.25 = 942,128.81 : x
  2. Step 2: Convert to fraction form
    1,514,904.11/2,091,325.25 = 942,128.81/x
  3. Step 3: Cross multiply
    1,514,904.11x = 2,091,325.25 × 942,128.81
  4. Step 4: Simplify right side
    1,514,904.11x = 1,970,297,769,623.12
  5. Step 5: Solve for x
    x = 1,970,297,769,623.12/1,514,904.11
  6. Step 6: Final answer
    x = 1,300,608.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.