Home / 660,534.48-911,593.80-374,105.52

Finding the Fourth Proportional to 660,534.48, 911,593.80 and 374,105.52

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Solution

The fourth proportional to 660,534.48, 911,593.80 and 374,105.52 is: 516,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,534.48 : 911,593.80 = 374,105.52 : x
  2. Step 2: Convert to fraction form
    660,534.48/911,593.80 = 374,105.52/x
  3. Step 3: Cross multiply
    660,534.48x = 911,593.80 × 374,105.52
  4. Step 4: Simplify right side
    660,534.48x = 341,032,272,577.78
  5. Step 5: Solve for x
    x = 341,032,272,577.78/660,534.48
  6. Step 6: Final answer
    x = 516,297.46

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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.