Home / 872,934.52-1,309,721.63-367,622.71

Finding the Fourth Proportional to 872,934.52, 1,309,721.63 and 367,622.71

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Solution

The fourth proportional to 872,934.52, 1,309,721.63 and 367,622.71 is: 551,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,934.52 : 1,309,721.63 = 367,622.71 : x
  2. Step 2: Convert to fraction form
    872,934.52/1,309,721.63 = 367,622.71/x
  3. Step 3: Cross multiply
    872,934.52x = 1,309,721.63 × 367,622.71
  4. Step 4: Simplify right side
    872,934.52x = 481,483,414,966.22
  5. Step 5: Solve for x
    x = 481,483,414,966.22/872,934.52
  6. Step 6: Final answer
    x = 551,568.76

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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.