Home / 1,783,904.52-2,676,188.79-811,338.80

Finding the Fourth Proportional to 1,783,904.52, 2,676,188.79 and 811,338.80

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Solution

The fourth proportional to 1,783,904.52, 2,676,188.79 and 811,338.80 is: 1,217,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,904.52 : 2,676,188.79 = 811,338.80 : x
  2. Step 2: Convert to fraction form
    1,783,904.52/2,676,188.79 = 811,338.80/x
  3. Step 3: Cross multiply
    1,783,904.52x = 2,676,188.79 × 811,338.80
  4. Step 4: Simplify right side
    1,783,904.52x = 2,171,295,788,071.11
  5. Step 5: Solve for x
    x = 2,171,295,788,071.11/1,783,904.52
  6. Step 6: Final answer
    x = 1,217,159.19

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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.