Home / 1,557,603.72-2,336,405.31-658,812.06

Finding the Fourth Proportional to 1,557,603.72, 2,336,405.31 and 658,812.06

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Solution

The fourth proportional to 1,557,603.72, 2,336,405.31 and 658,812.06 is: 988,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,603.72 : 2,336,405.31 = 658,812.06 : x
  2. Step 2: Convert to fraction form
    1,557,603.72/2,336,405.31 = 658,812.06/x
  3. Step 3: Cross multiply
    1,557,603.72x = 2,336,405.31 × 658,812.06
  4. Step 4: Simplify right side
    1,557,603.72x = 1,539,251,995,276.04
  5. Step 5: Solve for x
    x = 1,539,251,995,276.04/1,557,603.72
  6. Step 6: Final answer
    x = 988,217.98

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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.