Home / 567,268.92-782,816.68-309,152.50

Finding the Fourth Proportional to 567,268.92, 782,816.68 and 309,152.50

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Solution

The fourth proportional to 567,268.92, 782,816.68 and 309,152.50 is: 426,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,268.92 : 782,816.68 = 309,152.50 : x
  2. Step 2: Convert to fraction form
    567,268.92/782,816.68 = 309,152.50/x
  3. Step 3: Cross multiply
    567,268.92x = 782,816.68 × 309,152.50
  4. Step 4: Simplify right side
    567,268.92x = 242,009,731,223.61
  5. Step 5: Solve for x
    x = 242,009,731,223.61/567,268.92
  6. Step 6: Final answer
    x = 426,622.58

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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.