Home / 470,314.44-649,038.69-255,458.70

Finding the Fourth Proportional to 470,314.44, 649,038.69 and 255,458.70

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Solution

The fourth proportional to 470,314.44, 649,038.69 and 255,458.70 is: 352,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,314.44 : 649,038.69 = 255,458.70 : x
  2. Step 2: Convert to fraction form
    470,314.44/649,038.69 = 255,458.70/x
  3. Step 3: Cross multiply
    470,314.44x = 649,038.69 × 255,458.70
  4. Step 4: Simplify right side
    470,314.44x = 165,802,579,997.10
  5. Step 5: Solve for x
    x = 165,802,579,997.10/470,314.44
  6. Step 6: Final answer
    x = 352,535.59

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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.