Home / 767,408.07-1,151,126.70-262,084.71

Finding the Fourth Proportional to 767,408.07, 1,151,126.70 and 262,084.71

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Solution

The fourth proportional to 767,408.07, 1,151,126.70 and 262,084.71 is: 393,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,408.07 : 1,151,126.70 = 262,084.71 : x
  2. Step 2: Convert to fraction form
    767,408.07/1,151,126.70 = 262,084.71/x
  3. Step 3: Cross multiply
    767,408.07x = 1,151,126.70 × 262,084.71
  4. Step 4: Simplify right side
    767,408.07x = 301,692,707,342.76
  5. Step 5: Solve for x
    x = 301,692,707,342.76/767,408.07
  6. Step 6: Final answer
    x = 393,132.05

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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.