Home / 697,665.78-1,046,311.31-192,106.40

Finding the Fourth Proportional to 697,665.78, 1,046,311.31 and 192,106.40

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Solution

The fourth proportional to 697,665.78, 1,046,311.31 and 192,106.40 is: 288,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,665.78 : 1,046,311.31 = 192,106.40 : x
  2. Step 2: Convert to fraction form
    697,665.78/1,046,311.31 = 192,106.40/x
  3. Step 3: Cross multiply
    697,665.78x = 1,046,311.31 × 192,106.40
  4. Step 4: Simplify right side
    697,665.78x = 201,003,092,851.30
  5. Step 5: Solve for x
    x = 201,003,092,851.30/697,665.78
  6. Step 6: Final answer
    x = 288,108.00

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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.