Home / 1,191,717.23-1,785,182.43-551,123.06

Finding the Fourth Proportional to 1,191,717.23, 1,785,182.43 and 551,123.06

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Solution

The fourth proportional to 1,191,717.23, 1,785,182.43 and 551,123.06 is: 825,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,717.23 : 1,785,182.43 = 551,123.06 : x
  2. Step 2: Convert to fraction form
    1,191,717.23/1,785,182.43 = 551,123.06/x
  3. Step 3: Cross multiply
    1,191,717.23x = 1,785,182.43 × 551,123.06
  4. Step 4: Simplify right side
    1,191,717.23x = 983,855,194,553.92
  5. Step 5: Solve for x
    x = 983,855,194,553.92/1,191,717.23
  6. Step 6: Final answer
    x = 825,577.72

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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.