Home / 1,076,593.20-1,614,889.80-328,639.20

Finding the Fourth Proportional to 1,076,593.20, 1,614,889.80 and 328,639.20

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Solution

The fourth proportional to 1,076,593.20, 1,614,889.80 and 328,639.20 is: 492,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,593.20 : 1,614,889.80 = 328,639.20 : x
  2. Step 2: Convert to fraction form
    1,076,593.20/1,614,889.80 = 328,639.20/x
  3. Step 3: Cross multiply
    1,076,593.20x = 1,614,889.80 × 328,639.20
  4. Step 4: Simplify right side
    1,076,593.20x = 530,716,091,960.16
  5. Step 5: Solve for x
    x = 530,716,091,960.16/1,076,593.20
  6. Step 6: Final answer
    x = 492,958.80

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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.