Home / 718,102.08-1,077,153.12-219,461.76

Finding the Fourth Proportional to 718,102.08, 1,077,153.12 and 219,461.76

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Solution

The fourth proportional to 718,102.08, 1,077,153.12 and 219,461.76 is: 329,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,102.08 : 1,077,153.12 = 219,461.76 : x
  2. Step 2: Convert to fraction form
    718,102.08/1,077,153.12 = 219,461.76/x
  3. Step 3: Cross multiply
    718,102.08x = 1,077,153.12 × 219,461.76
  4. Step 4: Simplify right side
    718,102.08x = 236,393,919,504.69
  5. Step 5: Solve for x
    x = 236,393,919,504.69/718,102.08
  6. Step 6: Final answer
    x = 329,192.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.