Home / 912,485.22-1,259,237.77-504,614.51

Finding the Fourth Proportional to 912,485.22, 1,259,237.77 and 504,614.51

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Solution

The fourth proportional to 912,485.22, 1,259,237.77 and 504,614.51 is: 696,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,485.22 : 1,259,237.77 = 504,614.51 : x
  2. Step 2: Convert to fraction form
    912,485.22/1,259,237.77 = 504,614.51/x
  3. Step 3: Cross multiply
    912,485.22x = 1,259,237.77 × 504,614.51
  4. Step 4: Simplify right side
    912,485.22x = 635,429,650,282.04
  5. Step 5: Solve for x
    x = 635,429,650,282.04/912,485.22
  6. Step 6: Final answer
    x = 696,372.54

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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.