Home / 372,828.80-514,459.20-211,625.60

Finding the Fourth Proportional to 372,828.80, 514,459.20 and 211,625.60

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Solution

The fourth proportional to 372,828.80, 514,459.20 and 211,625.60 is: 292,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,828.80 : 514,459.20 = 211,625.60 : x
  2. Step 2: Convert to fraction form
    372,828.80/514,459.20 = 211,625.60/x
  3. Step 3: Cross multiply
    372,828.80x = 514,459.20 × 211,625.60
  4. Step 4: Simplify right side
    372,828.80x = 108,872,736,875.52
  5. Step 5: Solve for x
    x = 108,872,736,875.52/372,828.80
  6. Step 6: Final answer
    x = 292,018.04

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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.