Home / 669,045.15-923,283.18-363,121.52

Finding the Fourth Proportional to 669,045.15, 923,283.18 and 363,121.52

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Solution

The fourth proportional to 669,045.15, 923,283.18 and 363,121.52 is: 501,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,045.15 : 923,283.18 = 363,121.52 : x
  2. Step 2: Convert to fraction form
    669,045.15/923,283.18 = 363,121.52/x
  3. Step 3: Cross multiply
    669,045.15x = 923,283.18 × 363,121.52
  4. Step 4: Simplify right side
    669,045.15x = 335,263,987,095.62
  5. Step 5: Solve for x
    x = 335,263,987,095.62/669,045.15
  6. Step 6: Final answer
    x = 501,108.16

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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.