Home / 1,097,243.06-1,514,432.36-667,661.45

Finding the Fourth Proportional to 1,097,243.06, 1,514,432.36 and 667,661.45

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Solution

The fourth proportional to 1,097,243.06, 1,514,432.36 and 667,661.45 is: 921,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,243.06 : 1,514,432.36 = 667,661.45 : x
  2. Step 2: Convert to fraction form
    1,097,243.06/1,514,432.36 = 667,661.45/x
  3. Step 3: Cross multiply
    1,097,243.06x = 1,514,432.36 × 667,661.45
  4. Step 4: Simplify right side
    1,097,243.06x = 1,011,128,099,501.51
  5. Step 5: Solve for x
    x = 1,011,128,099,501.51/1,097,243.06
  6. Step 6: Final answer
    x = 921,516.97

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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.