Home / 1,241,144.12-1,861,823.05-342,586.01

Finding the Fourth Proportional to 1,241,144.12, 1,861,823.05 and 342,586.01

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Solution

The fourth proportional to 1,241,144.12, 1,861,823.05 and 342,586.01 is: 513,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,144.12 : 1,861,823.05 = 342,586.01 : x
  2. Step 2: Convert to fraction form
    1,241,144.12/1,861,823.05 = 342,586.01/x
  3. Step 3: Cross multiply
    1,241,144.12x = 1,861,823.05 × 342,586.01
  4. Step 4: Simplify right side
    1,241,144.12x = 637,834,519,859.95
  5. Step 5: Solve for x
    x = 637,834,519,859.95/1,241,144.12
  6. Step 6: Final answer
    x = 513,908.51

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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.