Home / 1,193,112.81-1,646,532.90-676,888.47

Finding the Fourth Proportional to 1,193,112.81, 1,646,532.90 and 676,888.47

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Solution

The fourth proportional to 1,193,112.81, 1,646,532.90 and 676,888.47 is: 934,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,112.81 : 1,646,532.90 = 676,888.47 : x
  2. Step 2: Convert to fraction form
    1,193,112.81/1,646,532.90 = 676,888.47/x
  3. Step 3: Cross multiply
    1,193,112.81x = 1,646,532.90 × 676,888.47
  4. Step 4: Simplify right side
    1,193,112.81x = 1,114,519,135,485.66
  5. Step 5: Solve for x
    x = 1,114,519,135,485.66/1,193,112.81
  6. Step 6: Final answer
    x = 934,127.21

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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.