Home / 669,507.92-923,535.24-401,080.40

Finding the Fourth Proportional to 669,507.92, 923,535.24 and 401,080.40

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Solution

The fourth proportional to 669,507.92, 923,535.24 and 401,080.40 is: 553,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,507.92 : 923,535.24 = 401,080.40 : x
  2. Step 2: Convert to fraction form
    669,507.92/923,535.24 = 401,080.40/x
  3. Step 3: Cross multiply
    669,507.92x = 923,535.24 × 401,080.40
  4. Step 4: Simplify right side
    669,507.92x = 370,411,883,473.30
  5. Step 5: Solve for x
    x = 370,411,883,473.30/669,507.92
  6. Step 6: Final answer
    x = 553,259.90

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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.