Home / 1,236,732.12-1,706,739.32-692,872.40

Finding the Fourth Proportional to 1,236,732.12, 1,706,739.32 and 692,872.40

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Solution

The fourth proportional to 1,236,732.12, 1,706,739.32 and 692,872.40 is: 956,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,732.12 : 1,706,739.32 = 692,872.40 : x
  2. Step 2: Convert to fraction form
    1,236,732.12/1,706,739.32 = 692,872.40/x
  3. Step 3: Cross multiply
    1,236,732.12x = 1,706,739.32 × 692,872.40
  4. Step 4: Simplify right side
    1,236,732.12x = 1,182,552,568,822.77
  5. Step 5: Solve for x
    x = 1,182,552,568,822.77/1,236,732.12
  6. Step 6: Final answer
    x = 956,191.36

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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.