Home / 1,295,415.20-1,943,122.80-453,857.60

Finding the Fourth Proportional to 1,295,415.20, 1,943,122.80 and 453,857.60

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Solution

The fourth proportional to 1,295,415.20, 1,943,122.80 and 453,857.60 is: 680,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,415.20 : 1,943,122.80 = 453,857.60 : x
  2. Step 2: Convert to fraction form
    1,295,415.20/1,943,122.80 = 453,857.60/x
  3. Step 3: Cross multiply
    1,295,415.20x = 1,943,122.80 × 453,857.60
  4. Step 4: Simplify right side
    1,295,415.20x = 881,901,050,513.28
  5. Step 5: Solve for x
    x = 881,901,050,513.28/1,295,415.20
  6. Step 6: Final answer
    x = 680,786.40

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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.