Home / 762,803.20-1,144,204.80-586,201.60

Finding the Fourth Proportional to 762,803.20, 1,144,204.80 and 586,201.60

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Solution

The fourth proportional to 762,803.20, 1,144,204.80 and 586,201.60 is: 879,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,803.20 : 1,144,204.80 = 586,201.60 : x
  2. Step 2: Convert to fraction form
    762,803.20/1,144,204.80 = 586,201.60/x
  3. Step 3: Cross multiply
    762,803.20x = 1,144,204.80 × 586,201.60
  4. Step 4: Simplify right side
    762,803.20x = 670,734,684,487.68
  5. Step 5: Solve for x
    x = 670,734,684,487.68/762,803.20
  6. Step 6: Final answer
    x = 879,302.40

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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.