Home / 723,770.40-1,085,655.60-350,522.40

Finding the Fourth Proportional to 723,770.40, 1,085,655.60 and 350,522.40

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Solution

The fourth proportional to 723,770.40, 1,085,655.60 and 350,522.40 is: 525,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,770.40 : 1,085,655.60 = 350,522.40 : x
  2. Step 2: Convert to fraction form
    723,770.40/1,085,655.60 = 350,522.40/x
  3. Step 3: Cross multiply
    723,770.40x = 1,085,655.60 × 350,522.40
  4. Step 4: Simplify right side
    723,770.40x = 380,546,606,485.44
  5. Step 5: Solve for x
    x = 380,546,606,485.44/723,770.40
  6. Step 6: Final answer
    x = 525,783.60

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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.