Home / 1,151,112.11-1,726,690.05-393,127.07

Finding the Fourth Proportional to 1,151,112.11, 1,726,690.05 and 393,127.07

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Solution

The fourth proportional to 1,151,112.11, 1,726,690.05 and 393,127.07 is: 589,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,112.11 : 1,726,690.05 = 393,127.07 : x
  2. Step 2: Convert to fraction form
    1,151,112.11/1,726,690.05 = 393,127.07/x
  3. Step 3: Cross multiply
    1,151,112.11x = 1,726,690.05 × 393,127.07
  4. Step 4: Simplify right side
    1,151,112.11x = 678,808,591,521.20
  5. Step 5: Solve for x
    x = 678,808,591,521.20/1,151,112.11
  6. Step 6: Final answer
    x = 589,698.07

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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.