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Finding the Fourth Proportional to 1,594,763.12, 2,200,757.04 and 869,609

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Solution

The fourth proportional to 1,594,763.12, 2,200,757.04 and 869,609 is: 1,200,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594,763.12 : 2,200,757.04 = 869,609 : x
  2. Step 2: Convert to fraction form
    1,594,763.12/2,200,757.04 = 869,609/x
  3. Step 3: Cross multiply
    1,594,763.12x = 2,200,757.04 × 869,609
  4. Step 4: Simplify right side
    1,594,763.12x = 1,913,798,128,797.36
  5. Step 5: Solve for x
    x = 1,913,798,128,797.36/1,594,763.12
  6. Step 6: Final answer
    x = 1,200,051.66

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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.