Home / 1,216,796.65-1,823,907.87-458,309.94

Finding the Fourth Proportional to 1,216,796.65, 1,823,907.87 and 458,309.94

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Solution

The fourth proportional to 1,216,796.65, 1,823,907.87 and 458,309.94 is: 686,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,796.65 : 1,823,907.87 = 458,309.94 : x
  2. Step 2: Convert to fraction form
    1,216,796.65/1,823,907.87 = 458,309.94/x
  3. Step 3: Cross multiply
    1,216,796.65x = 1,823,907.87 × 458,309.94
  4. Step 4: Simplify right side
    1,216,796.65x = 835,915,099,613.91
  5. Step 5: Solve for x
    x = 835,915,099,613.91/1,216,796.65
  6. Step 6: Final answer
    x = 686,980.12

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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.