Home / 763,263.20-1,145,064.72-250,951.52

Finding the Fourth Proportional to 763,263.20, 1,145,064.72 and 250,951.52

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Solution

The fourth proportional to 763,263.20, 1,145,064.72 and 250,951.52 is: 376,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,263.20 : 1,145,064.72 = 250,951.52 : x
  2. Step 2: Convert to fraction form
    763,263.20/1,145,064.72 = 250,951.52/x
  3. Step 3: Cross multiply
    763,263.20x = 1,145,064.72 × 250,951.52
  4. Step 4: Simplify right side
    763,263.20x = 287,355,731,982.37
  5. Step 5: Solve for x
    x = 287,355,731,982.37/763,263.20
  6. Step 6: Final answer
    x = 376,483.15

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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.