Home / 942,474.73-1,300,600.81-512,745.02

Finding the Fourth Proportional to 942,474.73, 1,300,600.81 and 512,745.02

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Solution

The fourth proportional to 942,474.73, 1,300,600.81 and 512,745.02 is: 707,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,474.73 : 1,300,600.81 = 512,745.02 : x
  2. Step 2: Convert to fraction form
    942,474.73/1,300,600.81 = 512,745.02/x
  3. Step 3: Cross multiply
    942,474.73x = 1,300,600.81 × 512,745.02
  4. Step 4: Simplify right side
    942,474.73x = 666,876,591,586.97
  5. Step 5: Solve for x
    x = 666,876,591,586.97/942,474.73
  6. Step 6: Final answer
    x = 707,580.34

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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.