Home / 747,087.12-1,121,393.43-546,812.64

Finding the Fourth Proportional to 747,087.12, 1,121,393.43 and 546,812.64

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Solution

The fourth proportional to 747,087.12, 1,121,393.43 and 546,812.64 is: 820,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,087.12 : 1,121,393.43 = 546,812.64 : x
  2. Step 2: Convert to fraction form
    747,087.12/1,121,393.43 = 546,812.64/x
  3. Step 3: Cross multiply
    747,087.12x = 1,121,393.43 × 546,812.64
  4. Step 4: Simplify right side
    747,087.12x = 613,192,101,936.96
  5. Step 5: Solve for x
    x = 613,192,101,936.96/747,087.12
  6. Step 6: Final answer
    x = 820,777.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.