Home / 713,458.76-1,070,207.61-208,007.52

Finding the Fourth Proportional to 713,458.76, 1,070,207.61 and 208,007.52

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Solution

The fourth proportional to 713,458.76, 1,070,207.61 and 208,007.52 is: 312,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,458.76 : 1,070,207.61 = 208,007.52 : x
  2. Step 2: Convert to fraction form
    713,458.76/1,070,207.61 = 208,007.52/x
  3. Step 3: Cross multiply
    713,458.76x = 1,070,207.61 × 208,007.52
  4. Step 4: Simplify right side
    713,458.76x = 222,611,230,812.94
  5. Step 5: Solve for x
    x = 222,611,230,812.94/713,458.76
  6. Step 6: Final answer
    x = 312,016.96

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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.