Home / 768,897.16-1,153,377.15-263,805.46

Finding the Fourth Proportional to 768,897.16, 1,153,377.15 and 263,805.46

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Solution

The fourth proportional to 768,897.16, 1,153,377.15 and 263,805.46 is: 395,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,897.16 : 1,153,377.15 = 263,805.46 : x
  2. Step 2: Convert to fraction form
    768,897.16/1,153,377.15 = 263,805.46/x
  3. Step 3: Cross multiply
    768,897.16x = 1,153,377.15 × 263,805.46
  4. Step 4: Simplify right side
    768,897.16x = 304,267,189,609.24
  5. Step 5: Solve for x
    x = 304,267,189,609.24/768,897.16
  6. Step 6: Final answer
    x = 395,718.97

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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.