Home / 1,191,717.47-1,785,182.81-551,123.30

Finding the Fourth Proportional to 1,191,717.47, 1,785,182.81 and 551,123.30

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Solution

The fourth proportional to 1,191,717.47, 1,785,182.81 and 551,123.30 is: 825,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,717.47 : 1,785,182.81 = 551,123.30 : x
  2. Step 2: Convert to fraction form
    1,191,717.47/1,785,182.81 = 551,123.30/x
  3. Step 3: Cross multiply
    1,191,717.47x = 1,785,182.81 × 551,123.30
  4. Step 4: Simplify right side
    1,191,717.47x = 983,855,841,350.47
  5. Step 5: Solve for x
    x = 983,855,841,350.47/1,191,717.47
  6. Step 6: Final answer
    x = 825,578.10

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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.