Home / 1,399,184.11-2,097,709.56-439,085.98

Finding the Fourth Proportional to 1,399,184.11, 2,097,709.56 and 439,085.98

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Solution

The fourth proportional to 1,399,184.11, 2,097,709.56 and 439,085.98 is: 658,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,184.11 : 2,097,709.56 = 439,085.98 : x
  2. Step 2: Convert to fraction form
    1,399,184.11/2,097,709.56 = 439,085.98/x
  3. Step 3: Cross multiply
    1,399,184.11x = 2,097,709.56 × 439,085.98
  4. Step 4: Simplify right side
    1,399,184.11x = 921,074,857,907.97
  5. Step 5: Solve for x
    x = 921,074,857,907.97/1,399,184.11
  6. Step 6: Final answer
    x = 658,294.25

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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.