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Finding the Fourth Proportional to 898,007.04, 1,236,420.72 and 761,758.56

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Solution

The fourth proportional to 898,007.04, 1,236,420.72 and 761,758.56 is: 1,048,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,007.04 : 1,236,420.72 = 761,758.56 : x
  2. Step 2: Convert to fraction form
    898,007.04/1,236,420.72 = 761,758.56/x
  3. Step 3: Cross multiply
    898,007.04x = 1,236,420.72 × 761,758.56
  4. Step 4: Simplify right side
    898,007.04x = 941,854,067,221.36
  5. Step 5: Solve for x
    x = 941,854,067,221.36/898,007.04
  6. Step 6: Final answer
    x = 1,048,827.04

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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.