Home / 467,817.75-645,588.05-252,957.30

Finding the Fourth Proportional to 467,817.75, 645,588.05 and 252,957.30

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Solution

The fourth proportional to 467,817.75, 645,588.05 and 252,957.30 is: 349,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,817.75 : 645,588.05 = 252,957.30 : x
  2. Step 2: Convert to fraction form
    467,817.75/645,588.05 = 252,957.30/x
  3. Step 3: Cross multiply
    467,817.75x = 645,588.05 × 252,957.30
  4. Step 4: Simplify right side
    467,817.75x = 163,306,212,513.12
  5. Step 5: Solve for x
    x = 163,306,212,513.12/467,817.75
  6. Step 6: Final answer
    x = 349,080.84

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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.