Home / 1,692,488.61-2,539,153.11-839,960.37

Finding the Fourth Proportional to 1,692,488.61, 2,539,153.11 and 839,960.37

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Solution

The fourth proportional to 1,692,488.61, 2,539,153.11 and 839,960.37 is: 1,260,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,488.61 : 2,539,153.11 = 839,960.37 : x
  2. Step 2: Convert to fraction form
    1,692,488.61/2,539,153.11 = 839,960.37/x
  3. Step 3: Cross multiply
    1,692,488.61x = 2,539,153.11 × 839,960.37
  4. Step 4: Simplify right side
    1,692,488.61x = 2,132,787,985,762.25
  5. Step 5: Solve for x
    x = 2,132,787,985,762.25/1,692,488.61
  6. Step 6: Final answer
    x = 1,260,149.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.