Home / 488,905.13-733,207.58-338,071.35

Finding the Fourth Proportional to 488,905.13, 733,207.58 and 338,071.35

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Solution

The fourth proportional to 488,905.13, 733,207.58 and 338,071.35 is: 507,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,905.13 : 733,207.58 = 338,071.35 : x
  2. Step 2: Convert to fraction form
    488,905.13/733,207.58 = 338,071.35/x
  3. Step 3: Cross multiply
    488,905.13x = 733,207.58 × 338,071.35
  4. Step 4: Simplify right side
    488,905.13x = 247,876,478,727.77
  5. Step 5: Solve for x
    x = 247,876,478,727.77/488,905.13
  6. Step 6: Final answer
    x = 507,003.22

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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.