Home / 1,230,375.66-1,697,923.10-686,534.37

Finding the Fourth Proportional to 1,230,375.66, 1,697,923.10 and 686,534.37

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Solution

The fourth proportional to 1,230,375.66, 1,697,923.10 and 686,534.37 is: 947,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,375.66 : 1,697,923.10 = 686,534.37 : x
  2. Step 2: Convert to fraction form
    1,230,375.66/1,697,923.10 = 686,534.37/x
  3. Step 3: Cross multiply
    1,230,375.66x = 1,697,923.10 × 686,534.37
  4. Step 4: Simplify right side
    1,230,375.66x = 1,165,682,565,766.95
  5. Step 5: Solve for x
    x = 1,165,682,565,766.95/1,230,375.66
  6. Step 6: Final answer
    x = 947,420.05

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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.