Home / 1,149,298.69-1,586,049.11-665,898.79

Finding the Fourth Proportional to 1,149,298.69, 1,586,049.11 and 665,898.79

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Solution

The fourth proportional to 1,149,298.69, 1,586,049.11 and 665,898.79 is: 918,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,298.69 : 1,586,049.11 = 665,898.79 : x
  2. Step 2: Convert to fraction form
    1,149,298.69/1,586,049.11 = 665,898.79/x
  3. Step 3: Cross multiply
    1,149,298.69x = 1,586,049.11 × 665,898.79
  4. Step 4: Simplify right side
    1,149,298.69x = 1,056,148,183,229.58
  5. Step 5: Solve for x
    x = 1,056,148,183,229.58/1,149,298.69
  6. Step 6: Final answer
    x = 918,950.13

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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.