Home / 540,973.20-811,536.60-166,957.20

Finding the Fourth Proportional to 540,973.20, 811,536.60 and 166,957.20

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Solution

The fourth proportional to 540,973.20, 811,536.60 and 166,957.20 is: 250,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,973.20 : 811,536.60 = 166,957.20 : x
  2. Step 2: Convert to fraction form
    540,973.20/811,536.60 = 166,957.20/x
  3. Step 3: Cross multiply
    540,973.20x = 811,536.60 × 166,957.20
  4. Step 4: Simplify right side
    540,973.20x = 135,491,878,433.52
  5. Step 5: Solve for x
    x = 135,491,878,433.52/540,973.20
  6. Step 6: Final answer
    x = 250,459.50

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Similar ratio
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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.