Home / 613,334.06-920,124.48-213,867.58

Finding the Fourth Proportional to 613,334.06, 920,124.48 and 213,867.58

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Solution

The fourth proportional to 613,334.06, 920,124.48 and 213,867.58 is: 320,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,334.06 : 920,124.48 = 213,867.58 : x
  2. Step 2: Convert to fraction form
    613,334.06/920,124.48 = 213,867.58/x
  3. Step 3: Cross multiply
    613,334.06x = 920,124.48 × 213,867.58
  4. Step 4: Simplify right side
    613,334.06x = 196,784,791,235.74
  5. Step 5: Solve for x
    x = 196,784,791,235.74/613,334.06
  6. Step 6: Final answer
    x = 320,844.39

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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.