Home / 939,852.12-1,296,997.24-510,132.34

Finding the Fourth Proportional to 939,852.12, 1,296,997.24 and 510,132.34

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Solution

The fourth proportional to 939,852.12, 1,296,997.24 and 510,132.34 is: 703,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,852.12 : 1,296,997.24 = 510,132.34 : x
  2. Step 2: Convert to fraction form
    939,852.12/1,296,997.24 = 510,132.34/x
  3. Step 3: Cross multiply
    939,852.12x = 1,296,997.24 × 510,132.34
  4. Step 4: Simplify right side
    939,852.12x = 661,640,232,496.92
  5. Step 5: Solve for x
    x = 661,640,232,496.92/939,852.12
  6. Step 6: Final answer
    x = 703,983.34

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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.