Home / 669,568.30-923,470.07-440,360.93

Finding the Fourth Proportional to 669,568.30, 923,470.07 and 440,360.93

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Solution

The fourth proportional to 669,568.30, 923,470.07 and 440,360.93 is: 607,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,568.30 : 923,470.07 = 440,360.93 : x
  2. Step 2: Convert to fraction form
    669,568.30/923,470.07 = 440,360.93/x
  3. Step 3: Cross multiply
    669,568.30x = 923,470.07 × 440,360.93
  4. Step 4: Simplify right side
    669,568.30x = 406,660,138,959.24
  5. Step 5: Solve for x
    x = 406,660,138,959.24/669,568.30
  6. Step 6: Final answer
    x = 607,346.76

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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.