Home / 942,013.20-1,299,965.97-512,284.11

Finding the Fourth Proportional to 942,013.20, 1,299,965.97 and 512,284.11

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Solution

The fourth proportional to 942,013.20, 1,299,965.97 and 512,284.11 is: 706,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,013.20 : 1,299,965.97 = 512,284.11 : x
  2. Step 2: Convert to fraction form
    942,013.20/1,299,965.97 = 512,284.11/x
  3. Step 3: Cross multiply
    942,013.20x = 1,299,965.97 × 512,284.11
  4. Step 4: Simplify right side
    942,013.20x = 665,951,909,971.74
  5. Step 5: Solve for x
    x = 665,951,909,971.74/942,013.20
  6. Step 6: Final answer
    x = 706,945.41

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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.