Home / 1,077,926.40-1,617,278.40-447,033.60

Finding the Fourth Proportional to 1,077,926.40, 1,617,278.40 and 447,033.60

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Solution

The fourth proportional to 1,077,926.40, 1,617,278.40 and 447,033.60 is: 670,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,926.40 : 1,617,278.40 = 447,033.60 : x
  2. Step 2: Convert to fraction form
    1,077,926.40/1,617,278.40 = 447,033.60/x
  3. Step 3: Cross multiply
    1,077,926.40x = 1,617,278.40 × 447,033.60
  4. Step 4: Simplify right side
    1,077,926.40x = 722,977,785,354.24
  5. Step 5: Solve for x
    x = 722,977,785,354.24/1,077,926.40
  6. Step 6: Final answer
    x = 670,711.64

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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.