Home / 669,240.96-923,289.12-382,607.04

Finding the Fourth Proportional to 669,240.96, 923,289.12 and 382,607.04

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Solution

The fourth proportional to 669,240.96, 923,289.12 and 382,607.04 is: 527,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,240.96 : 923,289.12 = 382,607.04 : x
  2. Step 2: Convert to fraction form
    669,240.96/923,289.12 = 382,607.04/x
  3. Step 3: Cross multiply
    669,240.96x = 923,289.12 × 382,607.04
  4. Step 4: Simplify right side
    669,240.96x = 353,256,917,267.41
  5. Step 5: Solve for x
    x = 353,256,917,267.41/669,240.96
  6. Step 6: Final answer
    x = 527,847.13

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Half scale
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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.