Home / 880,203.38-1,214,710.52-493,035.39

Finding the Fourth Proportional to 880,203.38, 1,214,710.52 and 493,035.39

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Solution

The fourth proportional to 880,203.38, 1,214,710.52 and 493,035.39 is: 680,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,203.38 : 1,214,710.52 = 493,035.39 : x
  2. Step 2: Convert to fraction form
    880,203.38/1,214,710.52 = 493,035.39/x
  3. Step 3: Cross multiply
    880,203.38x = 1,214,710.52 × 493,035.39
  4. Step 4: Simplify right side
    880,203.38x = 598,895,272,500.13
  5. Step 5: Solve for x
    x = 598,895,272,500.13/880,203.38
  6. Step 6: Final answer
    x = 680,405.56

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1.5x scale

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.