Home / 837,683.32-1,256,519.22-339,040.12

Finding the Fourth Proportional to 837,683.32, 1,256,519.22 and 339,040.12

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Solution

The fourth proportional to 837,683.32, 1,256,519.22 and 339,040.12 is: 508,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,683.32 : 1,256,519.22 = 339,040.12 : x
  2. Step 2: Convert to fraction form
    837,683.32/1,256,519.22 = 339,040.12/x
  3. Step 3: Cross multiply
    837,683.32x = 1,256,519.22 × 339,040.12
  4. Step 4: Simplify right side
    837,683.32x = 426,010,427,131.11
  5. Step 5: Solve for x
    x = 426,010,427,131.11/837,683.32
  6. Step 6: Final answer
    x = 508,557.85

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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.