Home / 1,008,084.10-1,512,563.55-509,448.10

Finding the Fourth Proportional to 1,008,084.10, 1,512,563.55 and 509,448.10

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Solution

The fourth proportional to 1,008,084.10, 1,512,563.55 and 509,448.10 is: 764,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,084.10 : 1,512,563.55 = 509,448.10 : x
  2. Step 2: Convert to fraction form
    1,008,084.10/1,512,563.55 = 509,448.10/x
  3. Step 3: Cross multiply
    1,008,084.10x = 1,512,563.55 × 509,448.10
  4. Step 4: Simplify right side
    1,008,084.10x = 770,572,626,676.76
  5. Step 5: Solve for x
    x = 770,572,626,676.76/1,008,084.10
  6. Step 6: Final answer
    x = 764,393.20

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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.