Home / 470,896.20-706,328.64-204,657.03

Finding the Fourth Proportional to 470,896.20, 706,328.64 and 204,657.03

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Solution

The fourth proportional to 470,896.20, 706,328.64 and 204,657.03 is: 306,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,896.20 : 706,328.64 = 204,657.03 : x
  2. Step 2: Convert to fraction form
    470,896.20/706,328.64 = 204,657.03/x
  3. Step 3: Cross multiply
    470,896.20x = 706,328.64 × 204,657.03
  4. Step 4: Simplify right side
    470,896.20x = 144,555,121,666.34
  5. Step 5: Solve for x
    x = 144,555,121,666.34/470,896.20
  6. Step 6: Final answer
    x = 306,978.74

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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.