Home / 711,623.70-1,067,435.55-238,259.70

Finding the Fourth Proportional to 711,623.70, 1,067,435.55 and 238,259.70

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Solution

The fourth proportional to 711,623.70, 1,067,435.55 and 238,259.70 is: 357,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,623.70 : 1,067,435.55 = 238,259.70 : x
  2. Step 2: Convert to fraction form
    711,623.70/1,067,435.55 = 238,259.70/x
  3. Step 3: Cross multiply
    711,623.70x = 1,067,435.55 × 238,259.70
  4. Step 4: Simplify right side
    711,623.70x = 254,326,873,912.34
  5. Step 5: Solve for x
    x = 254,326,873,912.34/711,623.70
  6. Step 6: Final answer
    x = 357,389.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.