Home / 953,146.56-1,429,299.99-447,851.28

Finding the Fourth Proportional to 953,146.56, 1,429,299.99 and 447,851.28

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Solution

The fourth proportional to 953,146.56, 1,429,299.99 and 447,851.28 is: 671,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,146.56 : 1,429,299.99 = 447,851.28 : x
  2. Step 2: Convert to fraction form
    953,146.56/1,429,299.99 = 447,851.28/x
  3. Step 3: Cross multiply
    953,146.56x = 1,429,299.99 × 447,851.28
  4. Step 4: Simplify right side
    953,146.56x = 640,113,830,025.49
  5. Step 5: Solve for x
    x = 640,113,830,025.49/953,146.56
  6. Step 6: Final answer
    x = 671,579.65

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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.