Home / 749,099.32-1,033,761.39-409,567.57

Finding the Fourth Proportional to 749,099.32, 1,033,761.39 and 409,567.57

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Solution

The fourth proportional to 749,099.32, 1,033,761.39 and 409,567.57 is: 565,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,099.32 : 1,033,761.39 = 409,567.57 : x
  2. Step 2: Convert to fraction form
    749,099.32/1,033,761.39 = 409,567.57/x
  3. Step 3: Cross multiply
    749,099.32x = 1,033,761.39 × 409,567.57
  4. Step 4: Simplify right side
    749,099.32x = 423,395,140,462.12
  5. Step 5: Solve for x
    x = 423,395,140,462.12/749,099.32
  6. Step 6: Final answer
    x = 565,205.61

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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.