Home / 815,152.14-1,222,727.40-534,603.78

Finding the Fourth Proportional to 815,152.14, 1,222,727.40 and 534,603.78

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Solution

The fourth proportional to 815,152.14, 1,222,727.40 and 534,603.78 is: 801,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,152.14 : 1,222,727.40 = 534,603.78 : x
  2. Step 2: Convert to fraction form
    815,152.14/1,222,727.40 = 534,603.78/x
  3. Step 3: Cross multiply
    815,152.14x = 1,222,727.40 × 534,603.78
  4. Step 4: Simplify right side
    815,152.14x = 653,674,689,949.57
  5. Step 5: Solve for x
    x = 653,674,689,949.57/815,152.14
  6. Step 6: Final answer
    x = 801,905.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.