Home / 1,241,192.42-1,861,751.42-342,689

Finding the Fourth Proportional to 1,241,192.42, 1,861,751.42 and 342,689

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Solution

The fourth proportional to 1,241,192.42, 1,861,751.42 and 342,689 is: 514,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,192.42 : 1,861,751.42 = 342,689 : x
  2. Step 2: Convert to fraction form
    1,241,192.42/1,861,751.42 = 342,689/x
  3. Step 3: Cross multiply
    1,241,192.42x = 1,861,751.42 × 342,689
  4. Step 4: Simplify right side
    1,241,192.42x = 638,001,732,368.38
  5. Step 5: Solve for x
    x = 638,001,732,368.38/1,241,192.42
  6. Step 6: Final answer
    x = 514,023.23

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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.