Home / 669,337.16-923,683.38-401,065.16

Finding the Fourth Proportional to 669,337.16, 923,683.38 and 401,065.16

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Solution

The fourth proportional to 669,337.16, 923,683.38 and 401,065.16 is: 553,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,337.16 : 923,683.38 = 401,065.16 : x
  2. Step 2: Convert to fraction form
    669,337.16/923,683.38 = 401,065.16/x
  3. Step 3: Cross multiply
    669,337.16x = 923,683.38 × 401,065.16
  4. Step 4: Simplify right side
    669,337.16x = 370,457,222,589.04
  5. Step 5: Solve for x
    x = 370,457,222,589.04/669,337.16
  6. Step 6: Final answer
    x = 553,468.78

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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.