Home / 1,196,810.70-1,651,882.23-687,808.14

Finding the Fourth Proportional to 1,196,810.70, 1,651,882.23 and 687,808.14

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Solution

The fourth proportional to 1,196,810.70, 1,651,882.23 and 687,808.14 is: 949,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,810.70 : 1,651,882.23 = 687,808.14 : x
  2. Step 2: Convert to fraction form
    1,196,810.70/1,651,882.23 = 687,808.14/x
  3. Step 3: Cross multiply
    1,196,810.70x = 1,651,882.23 × 687,808.14
  4. Step 4: Simplify right side
    1,196,810.70x = 1,136,178,044,115.35
  5. Step 5: Solve for x
    x = 1,136,178,044,115.35/1,196,810.70
  6. Step 6: Final answer
    x = 949,338.14

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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.