Home / 666,289.64-999,580.38-192,994.28

Finding the Fourth Proportional to 666,289.64, 999,580.38 and 192,994.28

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Solution

The fourth proportional to 666,289.64, 999,580.38 and 192,994.28 is: 289,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,289.64 : 999,580.38 = 192,994.28 : x
  2. Step 2: Convert to fraction form
    666,289.64/999,580.38 = 192,994.28/x
  3. Step 3: Cross multiply
    666,289.64x = 999,580.38 × 192,994.28
  4. Step 4: Simplify right side
    666,289.64x = 192,913,295,740.23
  5. Step 5: Solve for x
    x = 192,913,295,740.23/666,289.64
  6. Step 6: Final answer
    x = 289,533.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.