Home / 476,107.12-714,346.62-209,680.42

Finding the Fourth Proportional to 476,107.12, 714,346.62 and 209,680.42

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Solution

The fourth proportional to 476,107.12, 714,346.62 and 209,680.42 is: 314,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,107.12 : 714,346.62 = 209,680.42 : x
  2. Step 2: Convert to fraction form
    476,107.12/714,346.62 = 209,680.42/x
  3. Step 3: Cross multiply
    476,107.12x = 714,346.62 × 209,680.42
  4. Step 4: Simplify right side
    476,107.12x = 149,784,499,307.18
  5. Step 5: Solve for x
    x = 149,784,499,307.18/476,107.12
  6. Step 6: Final answer
    x = 314,602.52

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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.