Home / 1,115,635.23-1,539,576.78-606,337.61

Finding the Fourth Proportional to 1,115,635.23, 1,539,576.78 and 606,337.61

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Solution

The fourth proportional to 1,115,635.23, 1,539,576.78 and 606,337.61 is: 836,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,635.23 : 1,539,576.78 = 606,337.61 : x
  2. Step 2: Convert to fraction form
    1,115,635.23/1,539,576.78 = 606,337.61/x
  3. Step 3: Cross multiply
    1,115,635.23x = 1,539,576.78 × 606,337.61
  4. Step 4: Simplify right side
    1,115,635.23x = 933,503,297,498.81
  5. Step 5: Solve for x
    x = 933,503,297,498.81/1,115,635.23
  6. Step 6: Final answer
    x = 836,745.98

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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.