Home / 713,662.91-1,070,140.17-227,281.64

Finding the Fourth Proportional to 713,662.91, 1,070,140.17 and 227,281.64

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Solution

The fourth proportional to 713,662.91, 1,070,140.17 and 227,281.64 is: 340,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,662.91 : 1,070,140.17 = 227,281.64 : x
  2. Step 2: Convert to fraction form
    713,662.91/1,070,140.17 = 227,281.64/x
  3. Step 3: Cross multiply
    713,662.91x = 1,070,140.17 × 227,281.64
  4. Step 4: Simplify right side
    713,662.91x = 243,223,207,516.78
  5. Step 5: Solve for x
    x = 243,223,207,516.78/713,662.91
  6. Step 6: Final answer
    x = 340,809.65

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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.