Home / 1,200,200.29-1,656,260.46-683,984.92

Finding the Fourth Proportional to 1,200,200.29, 1,656,260.46 and 683,984.92

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Solution

The fourth proportional to 1,200,200.29, 1,656,260.46 and 683,984.92 is: 943,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,200.29 : 1,656,260.46 = 683,984.92 : x
  2. Step 2: Convert to fraction form
    1,200,200.29/1,656,260.46 = 683,984.92/x
  3. Step 3: Cross multiply
    1,200,200.29x = 1,656,260.46 × 683,984.92
  4. Step 4: Simplify right side
    1,200,200.29x = 1,132,857,178,232.26
  5. Step 5: Solve for x
    x = 1,132,857,178,232.26/1,200,200.29
  6. Step 6: Final answer
    x = 943,890.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.