Home / 1,008,049.70-1,512,074.55-609,140.90

Finding the Fourth Proportional to 1,008,049.70, 1,512,074.55 and 609,140.90

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Solution

The fourth proportional to 1,008,049.70, 1,512,074.55 and 609,140.90 is: 913,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,049.70 : 1,512,074.55 = 609,140.90 : x
  2. Step 2: Convert to fraction form
    1,008,049.70/1,512,074.55 = 609,140.90/x
  3. Step 3: Cross multiply
    1,008,049.70x = 1,512,074.55 × 609,140.90
  4. Step 4: Simplify right side
    1,008,049.70x = 921,066,452,254.10
  5. Step 5: Solve for x
    x = 921,066,452,254.10/1,008,049.70
  6. Step 6: Final answer
    x = 913,711.35

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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.