Home / 1,586,697.65-2,189,582.97-861,529.69

Finding the Fourth Proportional to 1,586,697.65, 2,189,582.97 and 861,529.69

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Solution

The fourth proportional to 1,586,697.65, 2,189,582.97 and 861,529.69 is: 1,188,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,697.65 : 2,189,582.97 = 861,529.69 : x
  2. Step 2: Convert to fraction form
    1,586,697.65/2,189,582.97 = 861,529.69/x
  3. Step 3: Cross multiply
    1,586,697.65x = 2,189,582.97 × 861,529.69
  4. Step 4: Simplify right side
    1,586,697.65x = 1,886,390,737,373.38
  5. Step 5: Solve for x
    x = 1,886,390,737,373.38/1,586,697.65
  6. Step 6: Final answer
    x = 1,188,878.51

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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.