Home / 1,692,715.74-2,538,736.65-793,926.78

Finding the Fourth Proportional to 1,692,715.74, 2,538,736.65 and 793,926.78

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Solution

The fourth proportional to 1,692,715.74, 2,538,736.65 and 793,926.78 is: 1,190,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,715.74 : 2,538,736.65 = 793,926.78 : x
  2. Step 2: Convert to fraction form
    1,692,715.74/2,538,736.65 = 793,926.78/x
  3. Step 3: Cross multiply
    1,692,715.74x = 2,538,736.65 × 793,926.78
  4. Step 4: Simplify right side
    1,692,715.74x = 2,015,571,013,802.49
  5. Step 5: Solve for x
    x = 2,015,571,013,802.49/1,692,715.74
  6. Step 6: Final answer
    x = 1,190,732.13

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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.