Home / 912,395.19-1,259,016.56-504,441.21

Finding the Fourth Proportional to 912,395.19, 1,259,016.56 and 504,441.21

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Solution

The fourth proportional to 912,395.19, 1,259,016.56 and 504,441.21 is: 696,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,395.19 : 1,259,016.56 = 504,441.21 : x
  2. Step 2: Convert to fraction form
    912,395.19/1,259,016.56 = 504,441.21/x
  3. Step 3: Cross multiply
    912,395.19x = 1,259,016.56 × 504,441.21
  4. Step 4: Simplify right side
    912,395.19x = 635,099,834,414.23
  5. Step 5: Solve for x
    x = 635,099,834,414.23/912,395.19
  6. Step 6: Final answer
    x = 696,079.77

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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.