Home / 769,727.66-1,062,221.50-430,195.91

Finding the Fourth Proportional to 769,727.66, 1,062,221.50 and 430,195.91

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Solution

The fourth proportional to 769,727.66, 1,062,221.50 and 430,195.91 is: 593,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,727.66 : 1,062,221.50 = 430,195.91 : x
  2. Step 2: Convert to fraction form
    769,727.66/1,062,221.50 = 430,195.91/x
  3. Step 3: Cross multiply
    769,727.66x = 1,062,221.50 × 430,195.91
  4. Step 4: Simplify right side
    769,727.66x = 456,963,338,427.47
  5. Step 5: Solve for x
    x = 456,963,338,427.47/769,727.66
  6. Step 6: Final answer
    x = 593,668.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.