Home / 869,664.40-1,304,496.60-238,577.20

Finding the Fourth Proportional to 869,664.40, 1,304,496.60 and 238,577.20

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Solution

The fourth proportional to 869,664.40, 1,304,496.60 and 238,577.20 is: 357,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,664.40 : 1,304,496.60 = 238,577.20 : x
  2. Step 2: Convert to fraction form
    869,664.40/1,304,496.60 = 238,577.20/x
  3. Step 3: Cross multiply
    869,664.40x = 1,304,496.60 × 238,577.20
  4. Step 4: Simplify right side
    869,664.40x = 311,223,146,237.52
  5. Step 5: Solve for x
    x = 311,223,146,237.52/869,664.40
  6. Step 6: Final answer
    x = 357,865.80

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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.