Home / 866,496.40-1,299,744.60-446,592.40

Finding the Fourth Proportional to 866,496.40, 1,299,744.60 and 446,592.40

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Solution

The fourth proportional to 866,496.40, 1,299,744.60 and 446,592.40 is: 669,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,496.40 : 1,299,744.60 = 446,592.40 : x
  2. Step 2: Convert to fraction form
    866,496.40/1,299,744.60 = 446,592.40/x
  3. Step 3: Cross multiply
    866,496.40x = 1,299,744.60 × 446,592.40
  4. Step 4: Simplify right side
    866,496.40x = 580,456,060,301.04
  5. Step 5: Solve for x
    x = 580,456,060,301.04/866,496.40
  6. Step 6: Final answer
    x = 669,888.60

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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.