Home / 1,151,509.91-1,588,260.89-998,274.11

Finding the Fourth Proportional to 1,151,509.91, 1,588,260.89 and 998,274.11

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Solution

The fourth proportional to 1,151,509.91, 1,588,260.89 and 998,274.11 is: 1,376,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,509.91 : 1,588,260.89 = 998,274.11 : x
  2. Step 2: Convert to fraction form
    1,151,509.91/1,588,260.89 = 998,274.11/x
  3. Step 3: Cross multiply
    1,151,509.91x = 1,588,260.89 × 998,274.11
  4. Step 4: Simplify right side
    1,151,509.91x = 1,585,519,721,421.19
  5. Step 5: Solve for x
    x = 1,585,519,721,421.19/1,151,509.91
  6. Step 6: Final answer
    x = 1,376,904.97

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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.