Home / 1,230,189.22-1,697,658.62-686,292.56

Finding the Fourth Proportional to 1,230,189.22, 1,697,658.62 and 686,292.56

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Solution

The fourth proportional to 1,230,189.22, 1,697,658.62 and 686,292.56 is: 947,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,189.22 : 1,697,658.62 = 686,292.56 : x
  2. Step 2: Convert to fraction form
    1,230,189.22/1,697,658.62 = 686,292.56/x
  3. Step 3: Cross multiply
    1,230,189.22x = 1,697,658.62 × 686,292.56
  4. Step 4: Simplify right side
    1,230,189.22x = 1,165,090,480,325.87
  5. Step 5: Solve for x
    x = 1,165,090,480,325.87/1,230,189.22
  6. Step 6: Final answer
    x = 947,082.34

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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.