Home / 926,440.40-1,389,660.60-327,421.10

Finding the Fourth Proportional to 926,440.40, 1,389,660.60 and 327,421.10

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Solution

The fourth proportional to 926,440.40, 1,389,660.60 and 327,421.10 is: 491,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,440.40 : 1,389,660.60 = 327,421.10 : x
  2. Step 2: Convert to fraction form
    926,440.40/1,389,660.60 = 327,421.10/x
  3. Step 3: Cross multiply
    926,440.40x = 1,389,660.60 × 327,421.10
  4. Step 4: Simplify right side
    926,440.40x = 455,004,202,278.66
  5. Step 5: Solve for x
    x = 455,004,202,278.66/926,440.40
  6. Step 6: Final answer
    x = 491,131.65

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Half scale
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Double scale
Find fourth proportional to 926,441.40, 1,389,662.10 and 327,422.10
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.