Home / 668,933.32-923,128.61-382,459.41

Finding the Fourth Proportional to 668,933.32, 923,128.61 and 382,459.41

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Solution

The fourth proportional to 668,933.32, 923,128.61 and 382,459.41 is: 527,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,933.32 : 923,128.61 = 382,459.41 : x
  2. Step 2: Convert to fraction form
    668,933.32/923,128.61 = 382,459.41/x
  3. Step 3: Cross multiply
    668,933.32x = 923,128.61 × 382,459.41
  4. Step 4: Simplify right side
    668,933.32x = 353,059,223,534.72
  5. Step 5: Solve for x
    x = 353,059,223,534.72/668,933.32
  6. Step 6: Final answer
    x = 527,794.35

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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.