Home / 1,755,421.67-2,632,943.88-1,190,429.36

Finding the Fourth Proportional to 1,755,421.67, 2,632,943.88 and 1,190,429.36

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Solution

The fourth proportional to 1,755,421.67, 2,632,943.88 and 1,190,429.36 is: 1,785,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,421.67 : 2,632,943.88 = 1,190,429.36 : x
  2. Step 2: Convert to fraction form
    1,755,421.67/2,632,943.88 = 1,190,429.36/x
  3. Step 3: Cross multiply
    1,755,421.67x = 2,632,943.88 × 1,190,429.36
  4. Step 4: Simplify right side
    1,755,421.67x = 3,134,333,694,693.14
  5. Step 5: Solve for x
    x = 3,134,333,694,693.14/1,755,421.67
  6. Step 6: Final answer
    x = 1,785,516.12

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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.