Home / 1,241,154.09-1,861,694.07-342,650.65

Finding the Fourth Proportional to 1,241,154.09, 1,861,694.07 and 342,650.65

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Solution

The fourth proportional to 1,241,154.09, 1,861,694.07 and 342,650.65 is: 513,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,154.09 : 1,861,694.07 = 342,650.65 : x
  2. Step 2: Convert to fraction form
    1,241,154.09/1,861,694.07 = 342,650.65/x
  3. Step 3: Cross multiply
    1,241,154.09x = 1,861,694.07 × 342,650.65
  4. Step 4: Simplify right side
    1,241,154.09x = 637,910,683,186.65
  5. Step 5: Solve for x
    x = 637,910,683,186.65/1,241,154.09
  6. Step 6: Final answer
    x = 513,965.74

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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.