Home / 669,360.08-923,728.20-367,582.16

Finding the Fourth Proportional to 669,360.08, 923,728.20 and 367,582.16

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Solution

The fourth proportional to 669,360.08, 923,728.20 and 367,582.16 is: 507,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,360.08 : 923,728.20 = 367,582.16 : x
  2. Step 2: Convert to fraction form
    669,360.08/923,728.20 = 367,582.16/x
  3. Step 3: Cross multiply
    669,360.08x = 923,728.20 × 367,582.16
  4. Step 4: Simplify right side
    669,360.08x = 339,546,007,008.91
  5. Step 5: Solve for x
    x = 339,546,007,008.91/669,360.08
  6. Step 6: Final answer
    x = 507,269.58

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.