Home / 817,777.62-1,126,106.55-587,930.40

Finding the Fourth Proportional to 817,777.62, 1,126,106.55 and 587,930.40

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Solution

The fourth proportional to 817,777.62, 1,126,106.55 and 587,930.40 is: 809,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,777.62 : 1,126,106.55 = 587,930.40 : x
  2. Step 2: Convert to fraction form
    817,777.62/1,126,106.55 = 587,930.40/x
  3. Step 3: Cross multiply
    817,777.62x = 1,126,106.55 × 587,930.40
  4. Step 4: Simplify right side
    817,777.62x = 662,072,274,384.12
  5. Step 5: Solve for x
    x = 662,072,274,384.12/817,777.62
  6. Step 6: Final answer
    x = 809,599.40

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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.