Home / 798,985.52-1,198,482.75-266,505.08

Finding the Fourth Proportional to 798,985.52, 1,198,482.75 and 266,505.08

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Solution

The fourth proportional to 798,985.52, 1,198,482.75 and 266,505.08 is: 399,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,985.52 : 1,198,482.75 = 266,505.08 : x
  2. Step 2: Convert to fraction form
    798,985.52/1,198,482.75 = 266,505.08/x
  3. Step 3: Cross multiply
    798,985.52x = 1,198,482.75 × 266,505.08
  4. Step 4: Simplify right side
    798,985.52x = 319,401,746,910.92
  5. Step 5: Solve for x
    x = 319,401,746,910.92/798,985.52
  6. Step 6: Final answer
    x = 399,759.12

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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.