Home / 563,933.43-778,277.36-309,333.83

Finding the Fourth Proportional to 563,933.43, 778,277.36 and 309,333.83

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Solution

The fourth proportional to 563,933.43, 778,277.36 and 309,333.83 is: 426,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,933.43 : 778,277.36 = 309,333.83 : x
  2. Step 2: Convert to fraction form
    563,933.43/778,277.36 = 309,333.83/x
  3. Step 3: Cross multiply
    563,933.43x = 778,277.36 × 309,333.83
  4. Step 4: Simplify right side
    563,933.43x = 240,747,516,571.09
  5. Step 5: Solve for x
    x = 240,747,516,571.09/563,933.43
  6. Step 6: Final answer
    x = 426,907.69

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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.