Home / 1,373,045.70-2,059,568.55-426,512.10

Finding the Fourth Proportional to 1,373,045.70, 2,059,568.55 and 426,512.10

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Solution

The fourth proportional to 1,373,045.70, 2,059,568.55 and 426,512.10 is: 639,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,045.70 : 2,059,568.55 = 426,512.10 : x
  2. Step 2: Convert to fraction form
    1,373,045.70/2,059,568.55 = 426,512.10/x
  3. Step 3: Cross multiply
    1,373,045.70x = 2,059,568.55 × 426,512.10
  4. Step 4: Simplify right side
    1,373,045.70x = 878,430,907,354.46
  5. Step 5: Solve for x
    x = 878,430,907,354.46/1,373,045.70
  6. Step 6: Final answer
    x = 639,768.15

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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.