Home / 1,557,686.10-2,334,779.55-658,974.90

Finding the Fourth Proportional to 1,557,686.10, 2,334,779.55 and 658,974.90

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Solution

The fourth proportional to 1,557,686.10, 2,334,779.55 and 658,974.90 is: 987,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,686.10 : 2,334,779.55 = 658,974.90 : x
  2. Step 2: Convert to fraction form
    1,557,686.10/2,334,779.55 = 658,974.90/x
  3. Step 3: Cross multiply
    1,557,686.10x = 2,334,779.55 × 658,974.90
  4. Step 4: Simplify right side
    1,557,686.10x = 1,538,561,120,483.30
  5. Step 5: Solve for x
    x = 1,538,561,120,483.30/1,557,686.10
  6. Step 6: Final answer
    x = 987,722.19

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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.