Home / 488,030.19-731,091.87-336,200.45

Finding the Fourth Proportional to 488,030.19, 731,091.87 and 336,200.45

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Solution

The fourth proportional to 488,030.19, 731,091.87 and 336,200.45 is: 503,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,030.19 : 731,091.87 = 336,200.45 : x
  2. Step 2: Convert to fraction form
    488,030.19/731,091.87 = 336,200.45/x
  3. Step 3: Cross multiply
    488,030.19x = 731,091.87 × 336,200.45
  4. Step 4: Simplify right side
    488,030.19x = 245,793,414,004.34
  5. Step 5: Solve for x
    x = 245,793,414,004.34/488,030.19
  6. Step 6: Final answer
    x = 503,643.87

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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.