Home / 683,345.48-1,025,116.20-210,070.52

Finding the Fourth Proportional to 683,345.48, 1,025,116.20 and 210,070.52

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Solution

The fourth proportional to 683,345.48, 1,025,116.20 and 210,070.52 is: 315,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,345.48 : 1,025,116.20 = 210,070.52 : x
  2. Step 2: Convert to fraction form
    683,345.48/1,025,116.20 = 210,070.52/x
  3. Step 3: Cross multiply
    683,345.48x = 1,025,116.20 × 210,070.52
  4. Step 4: Simplify right side
    683,345.48x = 215,346,693,194.42
  5. Step 5: Solve for x
    x = 215,346,693,194.42/683,345.48
  6. Step 6: Final answer
    x = 315,135.90

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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.