Home / 535,821.35-739,442.99-294,126.39

Finding the Fourth Proportional to 535,821.35, 739,442.99 and 294,126.39

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Solution

The fourth proportional to 535,821.35, 739,442.99 and 294,126.39 is: 405,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,821.35 : 739,442.99 = 294,126.39 : x
  2. Step 2: Convert to fraction form
    535,821.35/739,442.99 = 294,126.39/x
  3. Step 3: Cross multiply
    535,821.35x = 739,442.99 × 294,126.39
  4. Step 4: Simplify right side
    535,821.35x = 217,489,697,994.82
  5. Step 5: Solve for x
    x = 217,489,697,994.82/535,821.35
  6. Step 6: Final answer
    x = 405,899.65

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1.5x scale

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.