Home / 768,068.28-1,152,103.01-262,633.07

Finding the Fourth Proportional to 768,068.28, 1,152,103.01 and 262,633.07

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Solution

The fourth proportional to 768,068.28, 1,152,103.01 and 262,633.07 is: 393,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,068.28 : 1,152,103.01 = 262,633.07 : x
  2. Step 2: Convert to fraction form
    768,068.28/1,152,103.01 = 262,633.07/x
  3. Step 3: Cross multiply
    768,068.28x = 1,152,103.01 × 262,633.07
  4. Step 4: Simplify right side
    768,068.28x = 302,580,352,039.63
  5. Step 5: Solve for x
    x = 302,580,352,039.63/768,068.28
  6. Step 6: Final answer
    x = 393,949.81

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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.