Home / 669,505.92-923,532.48-401,078.40

Finding the Fourth Proportional to 669,505.92, 923,532.48 and 401,078.40

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Solution

The fourth proportional to 669,505.92, 923,532.48 and 401,078.40 is: 553,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,505.92 : 923,532.48 = 401,078.40 : x
  2. Step 2: Convert to fraction form
    669,505.92/923,532.48 = 401,078.40/x
  3. Step 3: Cross multiply
    669,505.92x = 923,532.48 × 401,078.40
  4. Step 4: Simplify right side
    669,505.92x = 370,408,929,426.43
  5. Step 5: Solve for x
    x = 370,408,929,426.43/669,505.92
  6. Step 6: Final answer
    x = 553,257.14

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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.