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Finding the Fourth Proportional to 883,062.12, 1,218,591.86 and 501,066.12

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Solution

The fourth proportional to 883,062.12, 1,218,591.86 and 501,066.12 is: 691,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,062.12 : 1,218,591.86 = 501,066.12 : x
  2. Step 2: Convert to fraction form
    883,062.12/1,218,591.86 = 501,066.12/x
  3. Step 3: Cross multiply
    883,062.12x = 1,218,591.86 × 501,066.12
  4. Step 4: Simplify right side
    883,062.12x = 610,595,095,153.78
  5. Step 5: Solve for x
    x = 610,595,095,153.78/883,062.12
  6. Step 6: Final answer
    x = 691,452.03

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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.