Home / 2,632,753.13-3,949,129.69-638,209.13

Finding the Fourth Proportional to 2,632,753.13, 3,949,129.69 and 638,209.13

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Solution

The fourth proportional to 2,632,753.13, 3,949,129.69 and 638,209.13 is: 957,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,753.13 : 3,949,129.69 = 638,209.13 : x
  2. Step 2: Convert to fraction form
    2,632,753.13/3,949,129.69 = 638,209.13/x
  3. Step 3: Cross multiply
    2,632,753.13x = 3,949,129.69 × 638,209.13
  4. Step 4: Simplify right side
    2,632,753.13x = 2,520,370,602,370.90
  5. Step 5: Solve for x
    x = 2,520,370,602,370.90/2,632,753.13
  6. Step 6: Final answer
    x = 957,313.69

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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.