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Finding the Fourth Proportional to 1,401,685.89, 1,934,326.32 and 757,105.91

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Solution

The fourth proportional to 1,401,685.89, 1,934,326.32 and 757,105.91 is: 1,044,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,685.89 : 1,934,326.32 = 757,105.91 : x
  2. Step 2: Convert to fraction form
    1,401,685.89/1,934,326.32 = 757,105.91/x
  3. Step 3: Cross multiply
    1,401,685.89x = 1,934,326.32 × 757,105.91
  4. Step 4: Simplify right side
    1,401,685.89x = 1,464,489,893,182.51
  5. Step 5: Solve for x
    x = 1,464,489,893,182.51/1,401,685.89
  6. Step 6: Final answer
    x = 1,044,806.05

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