Home / 839,260.95-1,158,180.27-457,287.73

Finding the Fourth Proportional to 839,260.95, 1,158,180.27 and 457,287.73

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Solution

The fourth proportional to 839,260.95, 1,158,180.27 and 457,287.73 is: 631,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,260.95 : 1,158,180.27 = 457,287.73 : x
  2. Step 2: Convert to fraction form
    839,260.95/1,158,180.27 = 457,287.73/x
  3. Step 3: Cross multiply
    839,260.95x = 1,158,180.27 × 457,287.73
  4. Step 4: Simplify right side
    839,260.95x = 529,621,624,561.05
  5. Step 5: Solve for x
    x = 529,621,624,561.05/839,260.95
  6. Step 6: Final answer
    x = 631,057.15

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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.