Home / 839,181.70-1,158,084.03-457,208.38

Finding the Fourth Proportional to 839,181.70, 1,158,084.03 and 457,208.38

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Solution

The fourth proportional to 839,181.70, 1,158,084.03 and 457,208.38 is: 630,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,181.70 : 1,158,084.03 = 457,208.38 : x
  2. Step 2: Convert to fraction form
    839,181.70/1,158,084.03 = 457,208.38/x
  3. Step 3: Cross multiply
    839,181.70x = 1,158,084.03 × 457,208.38
  4. Step 4: Simplify right side
    839,181.70x = 529,485,723,260.17
  5. Step 5: Solve for x
    x = 529,485,723,260.17/839,181.70
  6. Step 6: Final answer
    x = 630,954.80

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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.