Home / 470,155.23-648,797.45-255,290.85

Finding the Fourth Proportional to 470,155.23, 648,797.45 and 255,290.85

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Solution

The fourth proportional to 470,155.23, 648,797.45 and 255,290.85 is: 352,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,155.23 : 648,797.45 = 255,290.85 : x
  2. Step 2: Convert to fraction form
    470,155.23/648,797.45 = 255,290.85/x
  3. Step 3: Cross multiply
    470,155.23x = 648,797.45 × 255,290.85
  4. Step 4: Simplify right side
    470,155.23x = 165,632,051,211.88
  5. Step 5: Solve for x
    x = 165,632,051,211.88/470,155.23
  6. Step 6: Final answer
    x = 352,292.27

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1.5x scale

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.