Home / 1,368,899.23-2,051,900.85-515,601.69

Finding the Fourth Proportional to 1,368,899.23, 2,051,900.85 and 515,601.69

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Solution

The fourth proportional to 1,368,899.23, 2,051,900.85 and 515,601.69 is: 772,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,899.23 : 2,051,900.85 = 515,601.69 : x
  2. Step 2: Convert to fraction form
    1,368,899.23/2,051,900.85 = 515,601.69/x
  3. Step 3: Cross multiply
    1,368,899.23x = 2,051,900.85 × 515,601.69
  4. Step 4: Simplify right side
    1,368,899.23x = 1,057,963,545,972.44
  5. Step 5: Solve for x
    x = 1,057,963,545,972.44/1,368,899.23
  6. Step 6: Final answer
    x = 772,857.14

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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.