Home / 383,241.46-528,889.56-213,475.66

Finding the Fourth Proportional to 383,241.46, 528,889.56 and 213,475.66

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Solution

The fourth proportional to 383,241.46, 528,889.56 and 213,475.66 is: 294,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,241.46 : 528,889.56 = 213,475.66 : x
  2. Step 2: Convert to fraction form
    383,241.46/528,889.56 = 213,475.66/x
  3. Step 3: Cross multiply
    383,241.46x = 528,889.56 × 213,475.66
  4. Step 4: Simplify right side
    383,241.46x = 112,905,047,888.11
  5. Step 5: Solve for x
    x = 112,905,047,888.11/383,241.46
  6. Step 6: Final answer
    x = 294,605.52

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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.