Home / 669,815.30-1,003,556.55-576,503.30

Finding the Fourth Proportional to 669,815.30, 1,003,556.55 and 576,503.30

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Solution

The fourth proportional to 669,815.30, 1,003,556.55 and 576,503.30 is: 863,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,815.30 : 1,003,556.55 = 576,503.30 : x
  2. Step 2: Convert to fraction form
    669,815.30/1,003,556.55 = 576,503.30/x
  3. Step 3: Cross multiply
    669,815.30x = 1,003,556.55 × 576,503.30
  4. Step 4: Simplify right side
    669,815.30x = 578,553,662,811.62
  5. Step 5: Solve for x
    x = 578,553,662,811.62/669,815.30
  6. Step 6: Final answer
    x = 863,751.04

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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.