Home / 354,504.16-531,986.28-212,242.24

Finding the Fourth Proportional to 354,504.16, 531,986.28 and 212,242.24

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Solution

The fourth proportional to 354,504.16, 531,986.28 and 212,242.24 is: 318,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,504.16 : 531,986.28 = 212,242.24 : x
  2. Step 2: Convert to fraction form
    354,504.16/531,986.28 = 212,242.24/x
  3. Step 3: Cross multiply
    354,504.16x = 531,986.28 × 212,242.24
  4. Step 4: Simplify right side
    354,504.16x = 112,909,959,716.47
  5. Step 5: Solve for x
    x = 112,909,959,716.47/354,504.16
  6. Step 6: Final answer
    x = 318,501.09

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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.