Home / 597,271.78-824,235.06-328,999.78

Finding the Fourth Proportional to 597,271.78, 824,235.06 and 328,999.78

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Solution

The fourth proportional to 597,271.78, 824,235.06 and 328,999.78 is: 454,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,271.78 : 824,235.06 = 328,999.78 : x
  2. Step 2: Convert to fraction form
    597,271.78/824,235.06 = 328,999.78/x
  3. Step 3: Cross multiply
    597,271.78x = 824,235.06 × 328,999.78
  4. Step 4: Simplify right side
    597,271.78x = 271,173,153,408.29
  5. Step 5: Solve for x
    x = 271,173,153,408.29/597,271.78
  6. Step 6: Final answer
    x = 454,019.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.