Home / 669,855.30-1,003,616.55-576,543.30

Finding the Fourth Proportional to 669,855.30, 1,003,616.55 and 576,543.30

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Solution

The fourth proportional to 669,855.30, 1,003,616.55 and 576,543.30 is: 863,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,855.30 : 1,003,616.55 = 576,543.30 : x
  2. Step 2: Convert to fraction form
    669,855.30/1,003,616.55 = 576,543.30/x
  3. Step 3: Cross multiply
    669,855.30x = 1,003,616.55 × 576,543.30
  4. Step 4: Simplify right side
    669,855.30x = 578,628,397,671.62
  5. Step 5: Solve for x
    x = 578,628,397,671.62/669,855.30
  6. Step 6: Final answer
    x = 863,811.03

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Double scale
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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.