Home / 440,007.88-658,895.40-368,743.12

Finding the Fourth Proportional to 440,007.88, 658,895.40 and 368,743.12

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Solution

The fourth proportional to 440,007.88, 658,895.40 and 368,743.12 is: 552,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,007.88 : 658,895.40 = 368,743.12 : x
  2. Step 2: Convert to fraction form
    440,007.88/658,895.40 = 368,743.12/x
  3. Step 3: Cross multiply
    440,007.88x = 658,895.40 × 368,743.12
  4. Step 4: Simplify right side
    440,007.88x = 242,963,145,549.65
  5. Step 5: Solve for x
    x = 242,963,145,549.65/440,007.88
  6. Step 6: Final answer
    x = 552,179.08

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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.