Home / 1,671,993.64-2,507,200.43-647,803.73

Finding the Fourth Proportional to 1,671,993.64, 2,507,200.43 and 647,803.73

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Solution

The fourth proportional to 1,671,993.64, 2,507,200.43 and 647,803.73 is: 971,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,993.64 : 2,507,200.43 = 647,803.73 : x
  2. Step 2: Convert to fraction form
    1,671,993.64/2,507,200.43 = 647,803.73/x
  3. Step 3: Cross multiply
    1,671,993.64x = 2,507,200.43 × 647,803.73
  4. Step 4: Simplify right side
    1,671,993.64x = 1,624,173,779,128.78
  5. Step 5: Solve for x
    x = 1,624,173,779,128.78/1,671,993.64
  6. Step 6: Final answer
    x = 971,399.50

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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.