Home / 965,086.42-1,447,640.11-291,173.76

Finding the Fourth Proportional to 965,086.42, 1,447,640.11 and 291,173.76

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Solution

The fourth proportional to 965,086.42, 1,447,640.11 and 291,173.76 is: 436,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,086.42 : 1,447,640.11 = 291,173.76 : x
  2. Step 2: Convert to fraction form
    965,086.42/1,447,640.11 = 291,173.76/x
  3. Step 3: Cross multiply
    965,086.42x = 1,447,640.11 × 291,173.76
  4. Step 4: Simplify right side
    965,086.42x = 421,514,813,955.51
  5. Step 5: Solve for x
    x = 421,514,813,955.51/965,086.42
  6. Step 6: Final answer
    x = 436,763.80

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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.