Home / 683,995.61-1,026,103.66-210,680.75

Finding the Fourth Proportional to 683,995.61, 1,026,103.66 and 210,680.75

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Solution

The fourth proportional to 683,995.61, 1,026,103.66 and 210,680.75 is: 316,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,995.61 : 1,026,103.66 = 210,680.75 : x
  2. Step 2: Convert to fraction form
    683,995.61/1,026,103.66 = 210,680.75/x
  3. Step 3: Cross multiply
    683,995.61x = 1,026,103.66 × 210,680.75
  4. Step 4: Simplify right side
    683,995.61x = 216,180,288,666.55
  5. Step 5: Solve for x
    x = 216,180,288,666.55/683,995.61
  6. Step 6: Final answer
    x = 316,055.08

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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.