Home / 946,612.55-1,416,593.97-815,081.51

Finding the Fourth Proportional to 946,612.55, 1,416,593.97 and 815,081.51

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Solution

The fourth proportional to 946,612.55, 1,416,593.97 and 815,081.51 is: 1,219,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,612.55 : 1,416,593.97 = 815,081.51 : x
  2. Step 2: Convert to fraction form
    946,612.55/1,416,593.97 = 815,081.51/x
  3. Step 3: Cross multiply
    946,612.55x = 1,416,593.97 × 815,081.51
  4. Step 4: Simplify right side
    946,612.55x = 1,154,639,552,124.49
  5. Step 5: Solve for x
    x = 1,154,639,552,124.49/946,612.55
  6. Step 6: Final answer
    x = 1,219,759.40

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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.