Home / 442,282.55-609,731.55-374,025.06

Finding the Fourth Proportional to 442,282.55, 609,731.55 and 374,025.06

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Solution

The fourth proportional to 442,282.55, 609,731.55 and 374,025.06 is: 515,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,282.55 : 609,731.55 = 374,025.06 : x
  2. Step 2: Convert to fraction form
    442,282.55/609,731.55 = 374,025.06/x
  3. Step 3: Cross multiply
    442,282.55x = 609,731.55 × 374,025.06
  4. Step 4: Simplify right side
    442,282.55x = 228,054,879,572.64
  5. Step 5: Solve for x
    x = 228,054,879,572.64/442,282.55
  6. Step 6: Final answer
    x = 515,631.65

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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.