Home / 2,391,628.68-3,586,387.61-685,384.76

Finding the Fourth Proportional to 2,391,628.68, 3,586,387.61 and 685,384.76

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Solution

The fourth proportional to 2,391,628.68, 3,586,387.61 and 685,384.76 is: 1,027,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,628.68 : 3,586,387.61 = 685,384.76 : x
  2. Step 2: Convert to fraction form
    2,391,628.68/3,586,387.61 = 685,384.76/x
  3. Step 3: Cross multiply
    2,391,628.68x = 3,586,387.61 × 685,384.76
  4. Step 4: Simplify right side
    2,391,628.68x = 2,458,055,411,346.82
  5. Step 5: Solve for x
    x = 2,458,055,411,346.82/2,391,628.68
  6. Step 6: Final answer
    x = 1,027,774.68

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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.