Home / 965,038.95-1,447,568.82-291,126.09

Finding the Fourth Proportional to 965,038.95, 1,447,568.82 and 291,126.09

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Solution

The fourth proportional to 965,038.95, 1,447,568.82 and 291,126.09 is: 436,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,038.95 : 1,447,568.82 = 291,126.09 : x
  2. Step 2: Convert to fraction form
    965,038.95/1,447,568.82 = 291,126.09/x
  3. Step 3: Cross multiply
    965,038.95x = 1,447,568.82 × 291,126.09
  4. Step 4: Simplify right side
    965,038.95x = 421,425,049,116.88
  5. Step 5: Solve for x
    x = 421,425,049,116.88/965,038.95
  6. Step 6: Final answer
    x = 436,692.27

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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.