Home / 412,521.12-569,172.96-242,723.52

Finding the Fourth Proportional to 412,521.12, 569,172.96 and 242,723.52

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Solution

The fourth proportional to 412,521.12, 569,172.96 and 242,723.52 is: 334,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,521.12 : 569,172.96 = 242,723.52 : x
  2. Step 2: Convert to fraction form
    412,521.12/569,172.96 = 242,723.52/x
  3. Step 3: Cross multiply
    412,521.12x = 569,172.96 × 242,723.52
  4. Step 4: Simplify right side
    412,521.12x = 138,151,664,340.02
  5. Step 5: Solve for x
    x = 138,151,664,340.02/412,521.12
  6. Step 6: Final answer
    x = 334,895.98

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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.