Home / 1,638,862.80-2,458,294.20-517,045.20

Finding the Fourth Proportional to 1,638,862.80, 2,458,294.20 and 517,045.20

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Solution

The fourth proportional to 1,638,862.80, 2,458,294.20 and 517,045.20 is: 775,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,862.80 : 2,458,294.20 = 517,045.20 : x
  2. Step 2: Convert to fraction form
    1,638,862.80/2,458,294.20 = 517,045.20/x
  3. Step 3: Cross multiply
    1,638,862.80x = 2,458,294.20 × 517,045.20
  4. Step 4: Simplify right side
    1,638,862.80x = 1,271,049,216,297.84
  5. Step 5: Solve for x
    x = 1,271,049,216,297.84/1,638,862.80
  6. Step 6: Final answer
    x = 775,567.80

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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.