Home / 697,243.78-1,046,308.08-297,887.56

Finding the Fourth Proportional to 697,243.78, 1,046,308.08 and 297,887.56

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Solution

The fourth proportional to 697,243.78, 1,046,308.08 and 297,887.56 is: 447,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,243.78 : 1,046,308.08 = 297,887.56 : x
  2. Step 2: Convert to fraction form
    697,243.78/1,046,308.08 = 297,887.56/x
  3. Step 3: Cross multiply
    697,243.78x = 1,046,308.08 × 297,887.56
  4. Step 4: Simplify right side
    697,243.78x = 311,682,159,460.79
  5. Step 5: Solve for x
    x = 311,682,159,460.79/697,243.78
  6. Step 6: Final answer
    x = 447,020.35

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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.