Home / 438,317.37-656,927.21-235,414.86

Finding the Fourth Proportional to 438,317.37, 656,927.21 and 235,414.86

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Solution

The fourth proportional to 438,317.37, 656,927.21 and 235,414.86 is: 352,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,317.37 : 656,927.21 = 235,414.86 : x
  2. Step 2: Convert to fraction form
    438,317.37/656,927.21 = 235,414.86/x
  3. Step 3: Cross multiply
    438,317.37x = 656,927.21 × 235,414.86
  4. Step 4: Simplify right side
    438,317.37x = 154,650,424,476.24
  5. Step 5: Solve for x
    x = 154,650,424,476.24/438,317.37
  6. Step 6: Final answer
    x = 352,827.50

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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.