Home / 912,819.17-1,259,593.54-504,856.19

Finding the Fourth Proportional to 912,819.17, 1,259,593.54 and 504,856.19

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Solution

The fourth proportional to 912,819.17, 1,259,593.54 and 504,856.19 is: 696,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,819.17 : 1,259,593.54 = 504,856.19 : x
  2. Step 2: Convert to fraction form
    912,819.17/1,259,593.54 = 504,856.19/x
  3. Step 3: Cross multiply
    912,819.17x = 1,259,593.54 × 504,856.19
  4. Step 4: Simplify right side
    912,819.17x = 635,913,597,439.86
  5. Step 5: Solve for x
    x = 635,913,597,439.86/912,819.17
  6. Step 6: Final answer
    x = 696,647.94

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Double scale
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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.