Home / 530,457.78-795,678.91-131,098.59

Finding the Fourth Proportional to 530,457.78, 795,678.91 and 131,098.59

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Solution

The fourth proportional to 530,457.78, 795,678.91 and 131,098.59 is: 196,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,457.78 : 795,678.91 = 131,098.59 : x
  2. Step 2: Convert to fraction form
    530,457.78/795,678.91 = 131,098.59/x
  3. Step 3: Cross multiply
    530,457.78x = 795,678.91 × 131,098.59
  4. Step 4: Simplify right side
    530,457.78x = 104,312,382,865.99
  5. Step 5: Solve for x
    x = 104,312,382,865.99/530,457.78
  6. Step 6: Final answer
    x = 196,645.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.