Home / 1,968,266.80-2,952,400.20-638,570.80

Finding the Fourth Proportional to 1,968,266.80, 2,952,400.20 and 638,570.80

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Solution

The fourth proportional to 1,968,266.80, 2,952,400.20 and 638,570.80 is: 957,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,266.80 : 2,952,400.20 = 638,570.80 : x
  2. Step 2: Convert to fraction form
    1,968,266.80/2,952,400.20 = 638,570.80/x
  3. Step 3: Cross multiply
    1,968,266.80x = 2,952,400.20 × 638,570.80
  4. Step 4: Simplify right side
    1,968,266.80x = 1,885,316,557,634.16
  5. Step 5: Solve for x
    x = 1,885,316,557,634.16/1,968,266.80
  6. Step 6: Final answer
    x = 957,856.20

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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.