Home / 470,896.11-706,328.30-204,656.65

Finding the Fourth Proportional to 470,896.11, 706,328.30 and 204,656.65

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Solution

The fourth proportional to 470,896.11, 706,328.30 and 204,656.65 is: 306,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,896.11 : 706,328.30 = 204,656.65 : x
  2. Step 2: Convert to fraction form
    470,896.11/706,328.30 = 204,656.65/x
  3. Step 3: Cross multiply
    470,896.11x = 706,328.30 × 204,656.65
  4. Step 4: Simplify right side
    470,896.11x = 144,554,782,424.02
  5. Step 5: Solve for x
    x = 144,554,782,424.02/470,896.11
  6. Step 6: Final answer
    x = 306,978.08

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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.