Home / 464,579.08-697,296.30-287,432.08

Finding the Fourth Proportional to 464,579.08, 697,296.30 and 287,432.08

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Solution

The fourth proportional to 464,579.08, 697,296.30 and 287,432.08 is: 431,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,579.08 : 697,296.30 = 287,432.08 : x
  2. Step 2: Convert to fraction form
    464,579.08/697,296.30 = 287,432.08/x
  3. Step 3: Cross multiply
    464,579.08x = 697,296.30 × 287,432.08
  4. Step 4: Simplify right side
    464,579.08x = 200,425,325,885.30
  5. Step 5: Solve for x
    x = 200,425,325,885.30/464,579.08
  6. Step 6: Final answer
    x = 431,412.72

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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.