Home / 470,823.39-649,741.77-255,958.74

Finding the Fourth Proportional to 470,823.39, 649,741.77 and 255,958.74

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Solution

The fourth proportional to 470,823.39, 649,741.77 and 255,958.74 is: 353,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,823.39 : 649,741.77 = 255,958.74 : x
  2. Step 2: Convert to fraction form
    470,823.39/649,741.77 = 255,958.74/x
  3. Step 3: Cross multiply
    470,823.39x = 649,741.77 × 255,958.74
  4. Step 4: Simplify right side
    470,823.39x = 166,307,084,774.57
  5. Step 5: Solve for x
    x = 166,307,084,774.57/470,823.39
  6. Step 6: Final answer
    x = 353,226.05

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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.