Home / 330,042.24-455,561.76-210,810.24

Finding the Fourth Proportional to 330,042.24, 455,561.76 and 210,810.24

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Solution

The fourth proportional to 330,042.24, 455,561.76 and 210,810.24 is: 290,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,042.24 : 455,561.76 = 210,810.24 : x
  2. Step 2: Convert to fraction form
    330,042.24/455,561.76 = 210,810.24/x
  3. Step 3: Cross multiply
    330,042.24x = 455,561.76 × 210,810.24
  4. Step 4: Simplify right side
    330,042.24x = 96,037,083,960.42
  5. Step 5: Solve for x
    x = 96,037,083,960.42/330,042.24
  6. Step 6: Final answer
    x = 290,984.22

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