Home / 938,698.56-1,407,212.66-339,526.44

Finding the Fourth Proportional to 938,698.56, 1,407,212.66 and 339,526.44

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Solution

The fourth proportional to 938,698.56, 1,407,212.66 and 339,526.44 is: 508,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,698.56 : 1,407,212.66 = 339,526.44 : x
  2. Step 2: Convert to fraction form
    938,698.56/1,407,212.66 = 339,526.44/x
  3. Step 3: Cross multiply
    938,698.56x = 1,407,212.66 × 339,526.44
  4. Step 4: Simplify right side
    938,698.56x = 477,785,905,621.55
  5. Step 5: Solve for x
    x = 477,785,905,621.55/938,698.56
  6. Step 6: Final answer
    x = 508,987.58

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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.