Home / 919,968.52-1,269,556.40-512,061.59

Finding the Fourth Proportional to 919,968.52, 1,269,556.40 and 512,061.59

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Solution

The fourth proportional to 919,968.52, 1,269,556.40 and 512,061.59 is: 706,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,968.52 : 1,269,556.40 = 512,061.59 : x
  2. Step 2: Convert to fraction form
    919,968.52/1,269,556.40 = 512,061.59/x
  3. Step 3: Cross multiply
    919,968.52x = 1,269,556.40 × 512,061.59
  4. Step 4: Simplify right side
    919,968.52x = 650,091,068,778.68
  5. Step 5: Solve for x
    x = 650,091,068,778.68/919,968.52
  6. Step 6: Final answer
    x = 706,644.91

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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.