Home / 909,650.44-1,255,337.66-501,764.68

Finding the Fourth Proportional to 909,650.44, 1,255,337.66 and 501,764.68

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Solution

The fourth proportional to 909,650.44, 1,255,337.66 and 501,764.68 is: 692,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,650.44 : 1,255,337.66 = 501,764.68 : x
  2. Step 2: Convert to fraction form
    909,650.44/1,255,337.66 = 501,764.68/x
  3. Step 3: Cross multiply
    909,650.44x = 1,255,337.66 × 501,764.68
  4. Step 4: Simplify right side
    909,650.44x = 629,884,099,261.85
  5. Step 5: Solve for x
    x = 629,884,099,261.85/909,650.44
  6. Step 6: Final answer
    x = 692,446.32

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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.