Home / 912,288.89-1,258,936.48-504,380.23

Finding the Fourth Proportional to 912,288.89, 1,258,936.48 and 504,380.23

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Solution

The fourth proportional to 912,288.89, 1,258,936.48 and 504,380.23 is: 696,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,288.89 : 1,258,936.48 = 504,380.23 : x
  2. Step 2: Convert to fraction form
    912,288.89/1,258,936.48 = 504,380.23/x
  3. Step 3: Cross multiply
    912,288.89x = 1,258,936.48 × 504,380.23
  4. Step 4: Simplify right side
    912,288.89x = 634,982,668,820.93
  5. Step 5: Solve for x
    x = 634,982,668,820.93/912,288.89
  6. Step 6: Final answer
    x = 696,032.45

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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.