Home / 772,616.34-1,066,207.20-433,084.60

Finding the Fourth Proportional to 772,616.34, 1,066,207.20 and 433,084.60

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Solution

The fourth proportional to 772,616.34, 1,066,207.20 and 433,084.60 is: 597,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,616.34 : 1,066,207.20 = 433,084.60 : x
  2. Step 2: Convert to fraction form
    772,616.34/1,066,207.20 = 433,084.60/x
  3. Step 3: Cross multiply
    772,616.34x = 1,066,207.20 × 433,084.60
  4. Step 4: Simplify right side
    772,616.34x = 461,757,918,729.12
  5. Step 5: Solve for x
    x = 461,757,918,729.12/772,616.34
  6. Step 6: Final answer
    x = 597,654.87

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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.