Home / 939,852.37-1,296,997.58-510,132.59

Finding the Fourth Proportional to 939,852.37, 1,296,997.58 and 510,132.59

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Solution

The fourth proportional to 939,852.37, 1,296,997.58 and 510,132.59 is: 703,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,852.37 : 1,296,997.58 = 510,132.59 : x
  2. Step 2: Convert to fraction form
    939,852.37/1,296,997.58 = 510,132.59/x
  3. Step 3: Cross multiply
    939,852.37x = 1,296,997.58 × 510,132.59
  4. Step 4: Simplify right side
    939,852.37x = 661,640,734,709.13
  5. Step 5: Solve for x
    x = 661,640,734,709.13/939,852.37
  6. Step 6: Final answer
    x = 703,983.68

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Double scale
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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.