Home / 1,289,318.49-1,933,977.74-447,871.05

Finding the Fourth Proportional to 1,289,318.49, 1,933,977.74 and 447,871.05

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Solution

The fourth proportional to 1,289,318.49, 1,933,977.74 and 447,871.05 is: 671,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,318.49 : 1,933,977.74 = 447,871.05 : x
  2. Step 2: Convert to fraction form
    1,289,318.49/1,933,977.74 = 447,871.05/x
  3. Step 3: Cross multiply
    1,289,318.49x = 1,933,977.74 × 447,871.05
  4. Step 4: Simplify right side
    1,289,318.49x = 866,172,638,851.07
  5. Step 5: Solve for x
    x = 866,172,638,851.07/1,289,318.49
  6. Step 6: Final answer
    x = 671,806.58

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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.