Home / 530,445-795,659.71-131,085.76

Finding the Fourth Proportional to 530,445, 795,659.71 and 131,085.76

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Solution

The fourth proportional to 530,445, 795,659.71 and 131,085.76 is: 196,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,445 : 795,659.71 = 131,085.76 : x
  2. Step 2: Convert to fraction form
    530,445/795,659.71 = 131,085.76/x
  3. Step 3: Cross multiply
    530,445x = 795,659.71 × 131,085.76
  4. Step 4: Simplify right side
    530,445x = 104,299,657,786.73
  5. Step 5: Solve for x
    x = 104,299,657,786.73/530,445
  6. Step 6: Final answer
    x = 196,626.71

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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.