Home / 1,052,403.84-1,578,429.96-378,347.76

Finding the Fourth Proportional to 1,052,403.84, 1,578,429.96 and 378,347.76

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Solution

The fourth proportional to 1,052,403.84, 1,578,429.96 and 378,347.76 is: 567,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,403.84 : 1,578,429.96 = 378,347.76 : x
  2. Step 2: Convert to fraction form
    1,052,403.84/1,578,429.96 = 378,347.76/x
  3. Step 3: Cross multiply
    1,052,403.84x = 1,578,429.96 × 378,347.76
  4. Step 4: Simplify right side
    1,052,403.84x = 597,195,439,682.89
  5. Step 5: Solve for x
    x = 597,195,439,682.89/1,052,403.84
  6. Step 6: Final answer
    x = 567,458.44

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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.