Home / 767,518.84-1,151,543.69-262,435.39

Finding the Fourth Proportional to 767,518.84, 1,151,543.69 and 262,435.39

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Solution

The fourth proportional to 767,518.84, 1,151,543.69 and 262,435.39 is: 393,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,518.84 : 1,151,543.69 = 262,435.39 : x
  2. Step 2: Convert to fraction form
    767,518.84/1,151,543.69 = 262,435.39/x
  3. Step 3: Cross multiply
    767,518.84x = 1,151,543.69 × 262,435.39
  4. Step 4: Simplify right side
    767,518.84x = 302,205,820,657.72
  5. Step 5: Solve for x
    x = 302,205,820,657.72/767,518.84
  6. Step 6: Final answer
    x = 393,743.85

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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.