Home / 839,261.10-1,158,180.49-457,287.88

Finding the Fourth Proportional to 839,261.10, 1,158,180.49 and 457,287.88

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Solution

The fourth proportional to 839,261.10, 1,158,180.49 and 457,287.88 is: 631,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,261.10 : 1,158,180.49 = 457,287.88 : x
  2. Step 2: Convert to fraction form
    839,261.10/1,158,180.49 = 457,287.88/x
  3. Step 3: Cross multiply
    839,261.10x = 1,158,180.49 × 457,287.88
  4. Step 4: Simplify right side
    839,261.10x = 529,621,904,129.42
  5. Step 5: Solve for x
    x = 529,621,904,129.42/839,261.10
  6. Step 6: Final answer
    x = 631,057.37

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Double scale
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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.