Home / 374,432.28-516,656.16-213,290.46

Finding the Fourth Proportional to 374,432.28, 516,656.16 and 213,290.46

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Solution

The fourth proportional to 374,432.28, 516,656.16 and 213,290.46 is: 294,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,432.28 : 516,656.16 = 213,290.46 : x
  2. Step 2: Convert to fraction form
    374,432.28/516,656.16 = 213,290.46/x
  3. Step 3: Cross multiply
    374,432.28x = 516,656.16 × 213,290.46
  4. Step 4: Simplify right side
    374,432.28x = 110,197,830,028.23
  5. Step 5: Solve for x
    x = 110,197,830,028.23/374,432.28
  6. Step 6: Final answer
    x = 294,306.44

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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.