Home / 669,566.45-1,004,346.95-243,101.45

Finding the Fourth Proportional to 669,566.45, 1,004,346.95 and 243,101.45

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Solution

The fourth proportional to 669,566.45, 1,004,346.95 and 243,101.45 is: 364,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,566.45 : 1,004,346.95 = 243,101.45 : x
  2. Step 2: Convert to fraction form
    669,566.45/1,004,346.95 = 243,101.45/x
  3. Step 3: Cross multiply
    669,566.45x = 1,004,346.95 × 243,101.45
  4. Step 4: Simplify right side
    669,566.45x = 244,158,201,143.44
  5. Step 5: Solve for x
    x = 244,158,201,143.44/669,566.45
  6. Step 6: Final answer
    x = 364,651.19

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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.