Home / 439,266.53-606,201.89-286,403.46

Finding the Fourth Proportional to 439,266.53, 606,201.89 and 286,403.46

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Solution

The fourth proportional to 439,266.53, 606,201.89 and 286,403.46 is: 395,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,266.53 : 606,201.89 = 286,403.46 : x
  2. Step 2: Convert to fraction form
    439,266.53/606,201.89 = 286,403.46/x
  3. Step 3: Cross multiply
    439,266.53x = 606,201.89 × 286,403.46
  4. Step 4: Simplify right side
    439,266.53x = 173,618,317,322.52
  5. Step 5: Solve for x
    x = 173,618,317,322.52/439,266.53
  6. Step 6: Final answer
    x = 395,245.96

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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.