Home / 1,221,626.34-1,685,787.48-677,756.34

Finding the Fourth Proportional to 1,221,626.34, 1,685,787.48 and 677,756.34

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Solution

The fourth proportional to 1,221,626.34, 1,685,787.48 and 677,756.34 is: 935,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,626.34 : 1,685,787.48 = 677,756.34 : x
  2. Step 2: Convert to fraction form
    1,221,626.34/1,685,787.48 = 677,756.34/x
  3. Step 3: Cross multiply
    1,221,626.34x = 1,685,787.48 × 677,756.34
  4. Step 4: Simplify right side
    1,221,626.34x = 1,142,553,152,462.62
  5. Step 5: Solve for x
    x = 1,142,553,152,462.62/1,221,626.34
  6. Step 6: Final answer
    x = 935,272.20

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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.