Home / 669,364.80-1,004,047.20-576,052.80

Finding the Fourth Proportional to 669,364.80, 1,004,047.20 and 576,052.80

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Solution

The fourth proportional to 669,364.80, 1,004,047.20 and 576,052.80 is: 864,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,364.80 : 1,004,047.20 = 576,052.80 : x
  2. Step 2: Convert to fraction form
    669,364.80/1,004,047.20 = 576,052.80/x
  3. Step 3: Cross multiply
    669,364.80x = 1,004,047.20 × 576,052.80
  4. Step 4: Simplify right side
    669,364.80x = 578,384,200,892.16
  5. Step 5: Solve for x
    x = 578,384,200,892.16/669,364.80
  6. Step 6: Final answer
    x = 864,079.20

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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.