Home / 468,418.36-646,416.79-253,558.36

Finding the Fourth Proportional to 468,418.36, 646,416.79 and 253,558.36

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Solution

The fourth proportional to 468,418.36, 646,416.79 and 253,558.36 is: 349,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,418.36 : 646,416.79 = 253,558.36 : x
  2. Step 2: Convert to fraction form
    468,418.36/646,416.79 = 253,558.36/x
  3. Step 3: Cross multiply
    468,418.36x = 646,416.79 × 253,558.36
  4. Step 4: Simplify right side
    468,418.36x = 163,904,381,148.86
  5. Step 5: Solve for x
    x = 163,904,381,148.86/468,418.36
  6. Step 6: Final answer
    x = 349,910.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.