Home / 395,554.12-545,867.31-214,266.05

Finding the Fourth Proportional to 395,554.12, 545,867.31 and 214,266.05

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Solution

The fourth proportional to 395,554.12, 545,867.31 and 214,266.05 is: 295,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,554.12 : 545,867.31 = 214,266.05 : x
  2. Step 2: Convert to fraction form
    395,554.12/545,867.31 = 214,266.05/x
  3. Step 3: Cross multiply
    395,554.12x = 545,867.31 × 214,266.05
  4. Step 4: Simplify right side
    395,554.12x = 116,960,832,337.83
  5. Step 5: Solve for x
    x = 116,960,832,337.83/395,554.12
  6. Step 6: Final answer
    x = 295,688.57

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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.