Home / 1,720,398.39-2,579,368.82-809,070.63

Finding the Fourth Proportional to 1,720,398.39, 2,579,368.82 and 809,070.63

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Solution

The fourth proportional to 1,720,398.39, 2,579,368.82 and 809,070.63 is: 1,213,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,398.39 : 2,579,368.82 = 809,070.63 : x
  2. Step 2: Convert to fraction form
    1,720,398.39/2,579,368.82 = 809,070.63/x
  3. Step 3: Cross multiply
    1,720,398.39x = 2,579,368.82 × 809,070.63
  4. Step 4: Simplify right side
    1,720,398.39x = 2,086,891,552,154.40
  5. Step 5: Solve for x
    x = 2,086,891,552,154.40/1,720,398.39
  6. Step 6: Final answer
    x = 1,213,028.08

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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.