Home / 1,671,999.30-2,507,208.91-647,809.39

Finding the Fourth Proportional to 1,671,999.30, 2,507,208.91 and 647,809.39

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Solution

The fourth proportional to 1,671,999.30, 2,507,208.91 and 647,809.39 is: 971,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,999.30 : 2,507,208.91 = 647,809.39 : x
  2. Step 2: Convert to fraction form
    1,671,999.30/2,507,208.91 = 647,809.39/x
  3. Step 3: Cross multiply
    1,671,999.30x = 2,507,208.91 × 647,809.39
  4. Step 4: Simplify right side
    1,671,999.30x = 1,624,193,474,589.67
  5. Step 5: Solve for x
    x = 1,624,193,474,589.67/1,671,999.30
  6. Step 6: Final answer
    x = 971,407.99

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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.