Home / 750,984.46-1,036,203.24-428,799.40

Finding the Fourth Proportional to 750,984.46, 1,036,203.24 and 428,799.40

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Solution

The fourth proportional to 750,984.46, 1,036,203.24 and 428,799.40 is: 591,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,984.46 : 1,036,203.24 = 428,799.40 : x
  2. Step 2: Convert to fraction form
    750,984.46/1,036,203.24 = 428,799.40/x
  3. Step 3: Cross multiply
    750,984.46x = 1,036,203.24 × 428,799.40
  4. Step 4: Simplify right side
    750,984.46x = 444,323,327,590.06
  5. Step 5: Solve for x
    x = 444,323,327,590.06/750,984.46
  6. Step 6: Final answer
    x = 591,654.49

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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.