Home / 712,584.12-1,068,103.44-356,739.96

Finding the Fourth Proportional to 712,584.12, 1,068,103.44 and 356,739.96

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Solution

The fourth proportional to 712,584.12, 1,068,103.44 and 356,739.96 is: 534,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,584.12 : 1,068,103.44 = 356,739.96 : x
  2. Step 2: Convert to fraction form
    712,584.12/1,068,103.44 = 356,739.96/x
  3. Step 3: Cross multiply
    712,584.12x = 1,068,103.44 × 356,739.96
  4. Step 4: Simplify right side
    712,584.12x = 381,035,178,461.46
  5. Step 5: Solve for x
    x = 381,035,178,461.46/712,584.12
  6. Step 6: Final answer
    x = 534,723.08

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Double scale
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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.