Home / 839,415.56-1,158,359.74-457,434.14

Finding the Fourth Proportional to 839,415.56, 1,158,359.74 and 457,434.14

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Solution

The fourth proportional to 839,415.56, 1,158,359.74 and 457,434.14 is: 631,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,415.56 : 1,158,359.74 = 457,434.14 : x
  2. Step 2: Convert to fraction form
    839,415.56/1,158,359.74 = 457,434.14/x
  3. Step 3: Cross multiply
    839,415.56x = 1,158,359.74 × 457,434.14
  4. Step 4: Simplify right side
    839,415.56x = 529,873,284,542.14
  5. Step 5: Solve for x
    x = 529,873,284,542.14/839,415.56
  6. Step 6: Final answer
    x = 631,240.73

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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.