Home / 926,240.94-1,387,119.03-641,132.64

Finding the Fourth Proportional to 926,240.94, 1,387,119.03 and 641,132.64

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Solution

The fourth proportional to 926,240.94, 1,387,119.03 and 641,132.64 is: 960,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,240.94 : 1,387,119.03 = 641,132.64 : x
  2. Step 2: Convert to fraction form
    926,240.94/1,387,119.03 = 641,132.64/x
  3. Step 3: Cross multiply
    926,240.94x = 1,387,119.03 × 641,132.64
  4. Step 4: Simplify right side
    926,240.94x = 889,327,285,698.14
  5. Step 5: Solve for x
    x = 889,327,285,698.14/926,240.94
  6. Step 6: Final answer
    x = 960,146.81

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Double scale
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1.5x scale

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.