Home / 508,511.03-701,698.83-301,743.79

Finding the Fourth Proportional to 508,511.03, 701,698.83 and 301,743.79

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Solution

The fourth proportional to 508,511.03, 701,698.83 and 301,743.79 is: 416,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,511.03 : 701,698.83 = 301,743.79 : x
  2. Step 2: Convert to fraction form
    508,511.03/701,698.83 = 301,743.79/x
  3. Step 3: Cross multiply
    508,511.03x = 701,698.83 × 301,743.79
  4. Step 4: Simplify right side
    508,511.03x = 211,733,261,516.98
  5. Step 5: Solve for x
    x = 211,733,261,516.98/508,511.03
  6. Step 6: Final answer
    x = 416,378.89

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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.