Home / 470,563.83-649,381.66-255,705.05

Finding the Fourth Proportional to 470,563.83, 649,381.66 and 255,705.05

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Solution

The fourth proportional to 470,563.83, 649,381.66 and 255,705.05 is: 352,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,563.83 : 649,381.66 = 255,705.05 : x
  2. Step 2: Convert to fraction form
    470,563.83/649,381.66 = 255,705.05/x
  3. Step 3: Cross multiply
    470,563.83x = 649,381.66 × 255,705.05
  4. Step 4: Simplify right side
    470,563.83x = 166,050,170,823.58
  5. Step 5: Solve for x
    x = 166,050,170,823.58/470,563.83
  6. Step 6: Final answer
    x = 352,874.91

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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.