Home / 921,464.70-1,382,191.57-238,351.60

Finding the Fourth Proportional to 921,464.70, 1,382,191.57 and 238,351.60

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Solution

The fourth proportional to 921,464.70, 1,382,191.57 and 238,351.60 is: 357,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,464.70 : 1,382,191.57 = 238,351.60 : x
  2. Step 2: Convert to fraction form
    921,464.70/1,382,191.57 = 238,351.60/x
  3. Step 3: Cross multiply
    921,464.70x = 1,382,191.57 × 238,351.60
  4. Step 4: Simplify right side
    921,464.70x = 329,447,572,216.01
  5. Step 5: Solve for x
    x = 329,447,572,216.01/921,464.70
  6. Step 6: Final answer
    x = 357,525.98

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Double scale
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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.