Home / 690,597.36-1,035,983.52-191,961.36

Finding the Fourth Proportional to 690,597.36, 1,035,983.52 and 191,961.36

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Solution

The fourth proportional to 690,597.36, 1,035,983.52 and 191,961.36 is: 287,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,597.36 : 1,035,983.52 = 191,961.36 : x
  2. Step 2: Convert to fraction form
    690,597.36/1,035,983.52 = 191,961.36/x
  3. Step 3: Cross multiply
    690,597.36x = 1,035,983.52 × 191,961.36
  4. Step 4: Simplify right side
    690,597.36x = 198,868,805,436.79
  5. Step 5: Solve for x
    x = 198,868,805,436.79/690,597.36
  6. Step 6: Final answer
    x = 287,966.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.