Home / 813,677.76-1,122,476.40-706,096.80

Finding the Fourth Proportional to 813,677.76, 1,122,476.40 and 706,096.80

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Solution

The fourth proportional to 813,677.76, 1,122,476.40 and 706,096.80 is: 974,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,677.76 : 1,122,476.40 = 706,096.80 : x
  2. Step 2: Convert to fraction form
    813,677.76/1,122,476.40 = 706,096.80/x
  3. Step 3: Cross multiply
    813,677.76x = 1,122,476.40 × 706,096.80
  4. Step 4: Simplify right side
    813,677.76x = 792,576,994,115.52
  5. Step 5: Solve for x
    x = 792,576,994,115.52/813,677.76
  6. Step 6: Final answer
    x = 974,067.42

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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.