Home / 374,560.20-516,835.08-213,422.04

Finding the Fourth Proportional to 374,560.20, 516,835.08 and 213,422.04

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Solution

The fourth proportional to 374,560.20, 516,835.08 and 213,422.04 is: 294,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,560.20 : 516,835.08 = 213,422.04 : x
  2. Step 2: Convert to fraction form
    374,560.20/516,835.08 = 213,422.04/x
  3. Step 3: Cross multiply
    374,560.20x = 516,835.08 × 213,422.04
  4. Step 4: Simplify right side
    374,560.20x = 110,303,997,117.16
  5. Step 5: Solve for x
    x = 110,303,997,117.16/374,560.20
  6. Step 6: Final answer
    x = 294,489.37

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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.