Home / 1,192,661.19-1,645,842.78-683,330.76

Finding the Fourth Proportional to 1,192,661.19, 1,645,842.78 and 683,330.76

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Solution

The fourth proportional to 1,192,661.19, 1,645,842.78 and 683,330.76 is: 942,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,661.19 : 1,645,842.78 = 683,330.76 : x
  2. Step 2: Convert to fraction form
    1,192,661.19/1,645,842.78 = 683,330.76/x
  3. Step 3: Cross multiply
    1,192,661.19x = 1,645,842.78 × 683,330.76
  4. Step 4: Simplify right side
    1,192,661.19x = 1,124,654,997,697.91
  5. Step 5: Solve for x
    x = 1,124,654,997,697.91/1,192,661.19
  6. Step 6: Final answer
    x = 942,979.45

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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.