Home / 1,995,603.60-2,993,842.80-647,536.80

Finding the Fourth Proportional to 1,995,603.60, 2,993,842.80 and 647,536.80

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Solution

The fourth proportional to 1,995,603.60, 2,993,842.80 and 647,536.80 is: 971,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,603.60 : 2,993,842.80 = 647,536.80 : x
  2. Step 2: Convert to fraction form
    1,995,603.60/2,993,842.80 = 647,536.80/x
  3. Step 3: Cross multiply
    1,995,603.60x = 2,993,842.80 × 647,536.80
  4. Step 4: Simplify right side
    1,995,603.60x = 1,938,623,386,415.04
  5. Step 5: Solve for x
    x = 1,938,623,386,415.04/1,995,603.60
  6. Step 6: Final answer
    x = 971,447.13

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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.