Home / 938,054.88-1,294,520.40-551,130.84

Finding the Fourth Proportional to 938,054.88, 1,294,520.40 and 551,130.84

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Solution

The fourth proportional to 938,054.88, 1,294,520.40 and 551,130.84 is: 760,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,054.88 : 1,294,520.40 = 551,130.84 : x
  2. Step 2: Convert to fraction form
    938,054.88/1,294,520.40 = 551,130.84/x
  3. Step 3: Cross multiply
    938,054.88x = 1,294,520.40 × 551,130.84
  4. Step 4: Simplify right side
    938,054.88x = 713,450,115,449.14
  5. Step 5: Solve for x
    x = 713,450,115,449.14/938,054.88
  6. Step 6: Final answer
    x = 760,563.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.