Home / 470,352.26-649,087.35-255,490.58

Finding the Fourth Proportional to 470,352.26, 649,087.35 and 255,490.58

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Solution

The fourth proportional to 470,352.26, 649,087.35 and 255,490.58 is: 352,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,352.26 : 649,087.35 = 255,490.58 : x
  2. Step 2: Convert to fraction form
    470,352.26/649,087.35 = 255,490.58/x
  3. Step 3: Cross multiply
    470,352.26x = 649,087.35 × 255,490.58
  4. Step 4: Simplify right side
    470,352.26x = 165,835,703,522.16
  5. Step 5: Solve for x
    x = 165,835,703,522.16/470,352.26
  6. Step 6: Final answer
    x = 352,577.67

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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.