Home / 694,839.18-959,476.49-437,145.65

Finding the Fourth Proportional to 694,839.18, 959,476.49 and 437,145.65

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Solution

The fourth proportional to 694,839.18, 959,476.49 and 437,145.65 is: 603,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,839.18 : 959,476.49 = 437,145.65 : x
  2. Step 2: Convert to fraction form
    694,839.18/959,476.49 = 437,145.65/x
  3. Step 3: Cross multiply
    694,839.18x = 959,476.49 × 437,145.65
  4. Step 4: Simplify right side
    694,839.18x = 419,430,966,897.66
  5. Step 5: Solve for x
    x = 419,430,966,897.66/694,839.18
  6. Step 6: Final answer
    x = 603,637.47

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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.