Home / 1,617,232.20-2,426,139.90-670,698.60

Finding the Fourth Proportional to 1,617,232.20, 2,426,139.90 and 670,698.60

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Solution

The fourth proportional to 1,617,232.20, 2,426,139.90 and 670,698.60 is: 1,006,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,232.20 : 2,426,139.90 = 670,698.60 : x
  2. Step 2: Convert to fraction form
    1,617,232.20/2,426,139.90 = 670,698.60/x
  3. Step 3: Cross multiply
    1,617,232.20x = 2,426,139.90 × 670,698.60
  4. Step 4: Simplify right side
    1,617,232.20x = 1,627,208,634,334.14
  5. Step 5: Solve for x
    x = 1,627,208,634,334.14/1,617,232.20
  6. Step 6: Final answer
    x = 1,006,168.83

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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.