Home / 374,534.37-516,821.76-213,385.28

Finding the Fourth Proportional to 374,534.37, 516,821.76 and 213,385.28

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Solution

The fourth proportional to 374,534.37, 516,821.76 and 213,385.28 is: 294,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,534.37 : 516,821.76 = 213,385.28 : x
  2. Step 2: Convert to fraction form
    374,534.37/516,821.76 = 213,385.28/x
  3. Step 3: Cross multiply
    374,534.37x = 516,821.76 × 213,385.28
  4. Step 4: Simplify right side
    374,534.37x = 110,282,153,383.58
  5. Step 5: Solve for x
    x = 110,282,153,383.58/374,534.37
  6. Step 6: Final answer
    x = 294,451.36

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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.