Home / 819,475.44-1,130,474.16-547,610.16

Finding the Fourth Proportional to 819,475.44, 1,130,474.16 and 547,610.16

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Solution

The fourth proportional to 819,475.44, 1,130,474.16 and 547,610.16 is: 755,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,475.44 : 1,130,474.16 = 547,610.16 : x
  2. Step 2: Convert to fraction form
    819,475.44/1,130,474.16 = 547,610.16/x
  3. Step 3: Cross multiply
    819,475.44x = 1,130,474.16 × 547,610.16
  4. Step 4: Simplify right side
    819,475.44x = 619,059,135,633.47
  5. Step 5: Solve for x
    x = 619,059,135,633.47/819,475.44
  6. Step 6: Final answer
    x = 755,433.42

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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.