Home / 1,229,932.35-1,697,309.19-686,054.07

Finding the Fourth Proportional to 1,229,932.35, 1,697,309.19 and 686,054.07

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Solution

The fourth proportional to 1,229,932.35, 1,697,309.19 and 686,054.07 is: 946,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,932.35 : 1,697,309.19 = 686,054.07 : x
  2. Step 2: Convert to fraction form
    1,229,932.35/1,697,309.19 = 686,054.07/x
  3. Step 3: Cross multiply
    1,229,932.35x = 1,697,309.19 × 686,054.07
  4. Step 4: Simplify right side
    1,229,932.35x = 1,164,445,877,847.90
  5. Step 5: Solve for x
    x = 1,164,445,877,847.90/1,229,932.35
  6. Step 6: Final answer
    x = 946,756.04

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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.