Home / 563,338.22-777,381.37-308,683.94

Finding the Fourth Proportional to 563,338.22, 777,381.37 and 308,683.94

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Solution

The fourth proportional to 563,338.22, 777,381.37 and 308,683.94 is: 425,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,338.22 : 777,381.37 = 308,683.94 : x
  2. Step 2: Convert to fraction form
    563,338.22/777,381.37 = 308,683.94/x
  3. Step 3: Cross multiply
    563,338.22x = 777,381.37 × 308,683.94
  4. Step 4: Simplify right side
    563,338.22x = 239,965,139,515.58
  5. Step 5: Solve for x
    x = 239,965,139,515.58/563,338.22
  6. Step 6: Final answer
    x = 425,969.93

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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.