Home / 1,000,144.08-1,380,203.22-541,258.71

Finding the Fourth Proportional to 1,000,144.08, 1,380,203.22 and 541,258.71

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Solution

The fourth proportional to 1,000,144.08, 1,380,203.22 and 541,258.71 is: 746,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,144.08 : 1,380,203.22 = 541,258.71 : x
  2. Step 2: Convert to fraction form
    1,000,144.08/1,380,203.22 = 541,258.71/x
  3. Step 3: Cross multiply
    1,000,144.08x = 1,380,203.22 × 541,258.71
  4. Step 4: Simplify right side
    1,000,144.08x = 747,047,014,395.05
  5. Step 5: Solve for x
    x = 747,047,014,395.05/1,000,144.08
  6. Step 6: Final answer
    x = 746,939.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.