Home / 1,230,111.26-1,697,554.26-686,247.04

Finding the Fourth Proportional to 1,230,111.26, 1,697,554.26 and 686,247.04

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Solution

The fourth proportional to 1,230,111.26, 1,697,554.26 and 686,247.04 is: 947,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,111.26 : 1,697,554.26 = 686,247.04 : x
  2. Step 2: Convert to fraction form
    1,230,111.26/1,697,554.26 = 686,247.04/x
  3. Step 3: Cross multiply
    1,230,111.26x = 1,697,554.26 × 686,247.04
  4. Step 4: Simplify right side
    1,230,111.26x = 1,164,941,591,651.29
  5. Step 5: Solve for x
    x = 1,164,941,591,651.29/1,230,111.26
  6. Step 6: Final answer
    x = 947,021.33

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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.