Home / 1,479,376.65-2,219,128.26-581,013.15

Finding the Fourth Proportional to 1,479,376.65, 2,219,128.26 and 581,013.15

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Solution

The fourth proportional to 1,479,376.65, 2,219,128.26 and 581,013.15 is: 871,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,376.65 : 2,219,128.26 = 581,013.15 : x
  2. Step 2: Convert to fraction form
    1,479,376.65/2,219,128.26 = 581,013.15/x
  3. Step 3: Cross multiply
    1,479,376.65x = 2,219,128.26 × 581,013.15
  4. Step 4: Simplify right side
    1,479,376.65x = 1,289,342,700,596.62
  5. Step 5: Solve for x
    x = 1,289,342,700,596.62/1,479,376.65
  6. Step 6: Final answer
    x = 871,544.58

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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.