Home / 1,202,154.25-1,658,972.88-692,889.43

Finding the Fourth Proportional to 1,202,154.25, 1,658,972.88 and 692,889.43

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Solution

The fourth proportional to 1,202,154.25, 1,658,972.88 and 692,889.43 is: 956,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,154.25 : 1,658,972.88 = 692,889.43 : x
  2. Step 2: Convert to fraction form
    1,202,154.25/1,658,972.88 = 692,889.43/x
  3. Step 3: Cross multiply
    1,202,154.25x = 1,658,972.88 × 692,889.43
  4. Step 4: Simplify right side
    1,202,154.25x = 1,149,484,773,208.66
  5. Step 5: Solve for x
    x = 1,149,484,773,208.66/1,202,154.25
  6. Step 6: Final answer
    x = 956,187.42

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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.