Home / 669,598.68-923,511.75-440,391.36

Finding the Fourth Proportional to 669,598.68, 923,511.75 and 440,391.36

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Solution

The fourth proportional to 669,598.68, 923,511.75 and 440,391.36 is: 607,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,598.68 : 923,511.75 = 440,391.36 : x
  2. Step 2: Convert to fraction form
    669,598.68/923,511.75 = 440,391.36/x
  3. Step 3: Cross multiply
    669,598.68x = 923,511.75 × 440,391.36
  4. Step 4: Simplify right side
    669,598.68x = 406,706,595,558.48
  5. Step 5: Solve for x
    x = 406,706,595,558.48/669,598.68
  6. Step 6: Final answer
    x = 607,388.59

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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.