Home / 839,262.10-1,158,181.87-457,288.88

Finding the Fourth Proportional to 839,262.10, 1,158,181.87 and 457,288.88

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Solution

The fourth proportional to 839,262.10, 1,158,181.87 and 457,288.88 is: 631,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,262.10 : 1,158,181.87 = 457,288.88 : x
  2. Step 2: Convert to fraction form
    839,262.10/1,158,181.87 = 457,288.88/x
  3. Step 3: Cross multiply
    839,262.10x = 1,158,181.87 × 457,288.88
  4. Step 4: Simplify right side
    839,262.10x = 529,623,690,168.61
  5. Step 5: Solve for x
    x = 529,623,690,168.61/839,262.10
  6. Step 6: Final answer
    x = 631,058.75

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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.