Home / 563,199.29-777,217.79-308,550.59

Finding the Fourth Proportional to 563,199.29, 777,217.79 and 308,550.59

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Solution

The fourth proportional to 563,199.29, 777,217.79 and 308,550.59 is: 425,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,199.29 : 777,217.79 = 308,550.59 : x
  2. Step 2: Convert to fraction form
    563,199.29/777,217.79 = 308,550.59/x
  3. Step 3: Cross multiply
    563,199.29x = 777,217.79 × 308,550.59
  4. Step 4: Simplify right side
    563,199.29x = 239,811,007,663.00
  5. Step 5: Solve for x
    x = 239,811,007,663.00/563,199.29
  6. Step 6: Final answer
    x = 425,801.33

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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.