Home / 775,557.02-1,164,425.44-396,749.48

Finding the Fourth Proportional to 775,557.02, 1,164,425.44 and 396,749.48

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Solution

The fourth proportional to 775,557.02, 1,164,425.44 and 396,749.48 is: 595,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,557.02 : 1,164,425.44 = 396,749.48 : x
  2. Step 2: Convert to fraction form
    775,557.02/1,164,425.44 = 396,749.48/x
  3. Step 3: Cross multiply
    775,557.02x = 1,164,425.44 × 396,749.48
  4. Step 4: Simplify right side
    775,557.02x = 461,985,184,987.30
  5. Step 5: Solve for x
    x = 461,985,184,987.30/775,557.02
  6. Step 6: Final answer
    x = 595,681.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.