Home / 839,263.10-1,158,183.25-457,289.88

Finding the Fourth Proportional to 839,263.10, 1,158,183.25 and 457,289.88

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Solution

The fourth proportional to 839,263.10, 1,158,183.25 and 457,289.88 is: 631,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,263.10 : 1,158,183.25 = 457,289.88 : x
  2. Step 2: Convert to fraction form
    839,263.10/1,158,183.25 = 457,289.88/x
  3. Step 3: Cross multiply
    839,263.10x = 1,158,183.25 × 457,289.88
  4. Step 4: Simplify right side
    839,263.10x = 529,625,479,410.51
  5. Step 5: Solve for x
    x = 529,625,479,410.51/839,263.10
  6. Step 6: Final answer
    x = 631,060.13

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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.