Home / 619,471.98-853,966.44-437,863.50

Finding the Fourth Proportional to 619,471.98, 853,966.44 and 437,863.50

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Solution

The fourth proportional to 619,471.98, 853,966.44 and 437,863.50 is: 603,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,471.98 : 853,966.44 = 437,863.50 : x
  2. Step 2: Convert to fraction form
    619,471.98/853,966.44 = 437,863.50/x
  3. Step 3: Cross multiply
    619,471.98x = 853,966.44 × 437,863.50
  4. Step 4: Simplify right side
    619,471.98x = 373,920,734,300.94
  5. Step 5: Solve for x
    x = 373,920,734,300.94/619,471.98
  6. Step 6: Final answer
    x = 603,612.02

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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.