Home / 467,143.86-640,454.07-458,631.13

Finding the Fourth Proportional to 467,143.86, 640,454.07 and 458,631.13

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Solution

The fourth proportional to 467,143.86, 640,454.07 and 458,631.13 is: 628,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,143.86 : 640,454.07 = 458,631.13 : x
  2. Step 2: Convert to fraction form
    467,143.86/640,454.07 = 458,631.13/x
  3. Step 3: Cross multiply
    467,143.86x = 640,454.07 × 458,631.13
  4. Step 4: Simplify right side
    467,143.86x = 293,732,173,837.20
  5. Step 5: Solve for x
    x = 293,732,173,837.20/467,143.86
  6. Step 6: Final answer
    x = 628,783.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.