Home / 1,236,170.32-1,854,183.67-371,586.58

Finding the Fourth Proportional to 1,236,170.32, 1,854,183.67 and 371,586.58

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Solution

The fourth proportional to 1,236,170.32, 1,854,183.67 and 371,586.58 is: 557,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,170.32 : 1,854,183.67 = 371,586.58 : x
  2. Step 2: Convert to fraction form
    1,236,170.32/1,854,183.67 = 371,586.58/x
  3. Step 3: Cross multiply
    1,236,170.32x = 1,854,183.67 × 371,586.58
  4. Step 4: Simplify right side
    1,236,170.32x = 688,989,760,977.84
  5. Step 5: Solve for x
    x = 688,989,760,977.84/1,236,170.32
  6. Step 6: Final answer
    x = 557,358.28

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Double scale
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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.