Home / 377,038.20-565,557.30-335,047.80

Finding the Fourth Proportional to 377,038.20, 565,557.30 and 335,047.80

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Solution

The fourth proportional to 377,038.20, 565,557.30 and 335,047.80 is: 502,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,038.20 : 565,557.30 = 335,047.80 : x
  2. Step 2: Convert to fraction form
    377,038.20/565,557.30 = 335,047.80/x
  3. Step 3: Cross multiply
    377,038.20x = 565,557.30 × 335,047.80
  4. Step 4: Simplify right side
    377,038.20x = 189,488,729,138.94
  5. Step 5: Solve for x
    x = 189,488,729,138.94/377,038.20
  6. Step 6: Final answer
    x = 502,571.70

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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.