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Finding the Fourth Proportional to 1,619,481, 2,234,883.94 and 904,089

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Solution

The fourth proportional to 1,619,481, 2,234,883.94 and 904,089 is: 1,247,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,481 : 2,234,883.94 = 904,089 : x
  2. Step 2: Convert to fraction form
    1,619,481/2,234,883.94 = 904,089/x
  3. Step 3: Cross multiply
    1,619,481x = 2,234,883.94 × 904,089
  4. Step 4: Simplify right side
    1,619,481x = 2,020,533,986,430.66
  5. Step 5: Solve for x
    x = 2,020,533,986,430.66/1,619,481
  6. Step 6: Final answer
    x = 1,247,642.91

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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.