Home / 1,289,743.41-1,934,612.82-343,114.12

Finding the Fourth Proportional to 1,289,743.41, 1,934,612.82 and 343,114.12

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Solution

The fourth proportional to 1,289,743.41, 1,934,612.82 and 343,114.12 is: 514,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,743.41 : 1,934,612.82 = 343,114.12 : x
  2. Step 2: Convert to fraction form
    1,289,743.41/1,934,612.82 = 343,114.12/x
  3. Step 3: Cross multiply
    1,289,743.41x = 1,934,612.82 × 343,114.12
  4. Step 4: Simplify right side
    1,289,743.41x = 663,792,975,275.02
  5. Step 5: Solve for x
    x = 663,792,975,275.02/1,289,743.41
  6. Step 6: Final answer
    x = 514,670.57

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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.