Home / 385,865.06-578,933.67-119,692.58

Finding the Fourth Proportional to 385,865.06, 578,933.67 and 119,692.58

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Solution

The fourth proportional to 385,865.06, 578,933.67 and 119,692.58 is: 179,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,865.06 : 578,933.67 = 119,692.58 : x
  2. Step 2: Convert to fraction form
    385,865.06/578,933.67 = 119,692.58/x
  3. Step 3: Cross multiply
    385,865.06x = 578,933.67 × 119,692.58
  4. Step 4: Simplify right side
    385,865.06x = 69,294,064,611.17
  5. Step 5: Solve for x
    x = 69,294,064,611.17/385,865.06
  6. Step 6: Final answer
    x = 179,581.08

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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.