Home / 464,828.40-697,307.40-198,586.80

Finding the Fourth Proportional to 464,828.40, 697,307.40 and 198,586.80

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Solution

The fourth proportional to 464,828.40, 697,307.40 and 198,586.80 is: 297,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,828.40 : 697,307.40 = 198,586.80 : x
  2. Step 2: Convert to fraction form
    464,828.40/697,307.40 = 198,586.80/x
  3. Step 3: Cross multiply
    464,828.40x = 697,307.40 × 198,586.80
  4. Step 4: Simplify right side
    464,828.40x = 138,476,045,182.32
  5. Step 5: Solve for x
    x = 138,476,045,182.32/464,828.40
  6. Step 6: Final answer
    x = 297,907.88

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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.