Home / 896,418.77-1,237,057.92-494,010.77

Finding the Fourth Proportional to 896,418.77, 1,237,057.92 and 494,010.77

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Solution

The fourth proportional to 896,418.77, 1,237,057.92 and 494,010.77 is: 681,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,418.77 : 1,237,057.92 = 494,010.77 : x
  2. Step 2: Convert to fraction form
    896,418.77/1,237,057.92 = 494,010.77/x
  3. Step 3: Cross multiply
    896,418.77x = 1,237,057.92 × 494,010.77
  4. Step 4: Simplify right side
    896,418.77x = 611,119,931,107.94
  5. Step 5: Solve for x
    x = 611,119,931,107.94/896,418.77
  6. Step 6: Final answer
    x = 681,734.87

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Half scale
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Double scale
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Similar ratio
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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.