Home / 1,289,740.91-1,934,609.07-343,111.62

Finding the Fourth Proportional to 1,289,740.91, 1,934,609.07 and 343,111.62

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Solution

The fourth proportional to 1,289,740.91, 1,934,609.07 and 343,111.62 is: 514,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,740.91 : 1,934,609.07 = 343,111.62 : x
  2. Step 2: Convert to fraction form
    1,289,740.91/1,934,609.07 = 343,111.62/x
  3. Step 3: Cross multiply
    1,289,740.91x = 1,934,609.07 × 343,111.62
  4. Step 4: Simplify right side
    1,289,740.91x = 663,786,852,074.39
  5. Step 5: Solve for x
    x = 663,786,852,074.39/1,289,740.91
  6. Step 6: Final answer
    x = 514,666.82

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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.