Home / 1,557,689.60-2,334,784.80-658,978.40

Finding the Fourth Proportional to 1,557,689.60, 2,334,784.80 and 658,978.40

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Solution

The fourth proportional to 1,557,689.60, 2,334,784.80 and 658,978.40 is: 987,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,689.60 : 2,334,784.80 = 658,978.40 : x
  2. Step 2: Convert to fraction form
    1,557,689.60/2,334,784.80 = 658,978.40/x
  3. Step 3: Cross multiply
    1,557,689.60x = 2,334,784.80 × 658,978.40
  4. Step 4: Simplify right side
    1,557,689.60x = 1,538,572,751,848.32
  5. Step 5: Solve for x
    x = 1,538,572,751,848.32/1,557,689.60
  6. Step 6: Final answer
    x = 987,727.43

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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.