Home / 1,326,190.20-1,987,612.65-567,134.34

Finding the Fourth Proportional to 1,326,190.20, 1,987,612.65 and 567,134.34

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Solution

The fourth proportional to 1,326,190.20, 1,987,612.65 and 567,134.34 is: 849,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,190.20 : 1,987,612.65 = 567,134.34 : x
  2. Step 2: Convert to fraction form
    1,326,190.20/1,987,612.65 = 567,134.34/x
  3. Step 3: Cross multiply
    1,326,190.20x = 1,987,612.65 × 567,134.34
  4. Step 4: Simplify right side
    1,326,190.20x = 1,127,243,388,433.40
  5. Step 5: Solve for x
    x = 1,127,243,388,433.40/1,326,190.20
  6. Step 6: Final answer
    x = 849,986.21

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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.