Home / 669,328.95-923,668.77-363,399.33

Finding the Fourth Proportional to 669,328.95, 923,668.77 and 363,399.33

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Solution

The fourth proportional to 669,328.95, 923,668.77 and 363,399.33 is: 501,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,328.95 : 923,668.77 = 363,399.33 : x
  2. Step 2: Convert to fraction form
    669,328.95/923,668.77 = 363,399.33/x
  3. Step 3: Cross multiply
    669,328.95x = 923,668.77 × 363,399.33
  4. Step 4: Simplify right side
    669,328.95x = 335,660,612,159.92
  5. Step 5: Solve for x
    x = 335,660,612,159.92/669,328.95
  6. Step 6: Final answer
    x = 501,488.26

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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.