Home / 767,702.43-1,151,757.81-262,262.61

Finding the Fourth Proportional to 767,702.43, 1,151,757.81 and 262,262.61

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Solution

The fourth proportional to 767,702.43, 1,151,757.81 and 262,262.61 is: 393,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,702.43 : 1,151,757.81 = 262,262.61 : x
  2. Step 2: Convert to fraction form
    767,702.43/1,151,757.81 = 262,262.61/x
  3. Step 3: Cross multiply
    767,702.43x = 1,151,757.81 × 262,262.61
  4. Step 4: Simplify right side
    767,702.43x = 302,063,009,338.48
  5. Step 5: Solve for x
    x = 302,063,009,338.48/767,702.43
  6. Step 6: Final answer
    x = 393,463.66

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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.