Home / 912,820.52-1,259,268.14-590,634.41

Finding the Fourth Proportional to 912,820.52, 1,259,268.14 and 590,634.41

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Solution

The fourth proportional to 912,820.52, 1,259,268.14 and 590,634.41 is: 814,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,820.52 : 1,259,268.14 = 590,634.41 : x
  2. Step 2: Convert to fraction form
    912,820.52/1,259,268.14 = 590,634.41/x
  3. Step 3: Cross multiply
    912,820.52x = 1,259,268.14 × 590,634.41
  4. Step 4: Simplify right side
    912,820.52x = 743,767,090,080.94
  5. Step 5: Solve for x
    x = 743,767,090,080.94/912,820.52
  6. Step 6: Final answer
    x = 814,801.02

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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.