Home / 926,096.80-1,389,145.20-261,248.80

Finding the Fourth Proportional to 926,096.80, 1,389,145.20 and 261,248.80

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Solution

The fourth proportional to 926,096.80, 1,389,145.20 and 261,248.80 is: 391,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,096.80 : 1,389,145.20 = 261,248.80 : x
  2. Step 2: Convert to fraction form
    926,096.80/1,389,145.20 = 261,248.80/x
  3. Step 3: Cross multiply
    926,096.80x = 1,389,145.20 × 261,248.80
  4. Step 4: Simplify right side
    926,096.80x = 362,912,516,525.76
  5. Step 5: Solve for x
    x = 362,912,516,525.76/926,096.80
  6. Step 6: Final answer
    x = 391,873.20

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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.