Home / 1,137,973.19-1,570,434.75-628,708.37

Finding the Fourth Proportional to 1,137,973.19, 1,570,434.75 and 628,708.37

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Solution

The fourth proportional to 1,137,973.19, 1,570,434.75 and 628,708.37 is: 867,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,973.19 : 1,570,434.75 = 628,708.37 : x
  2. Step 2: Convert to fraction form
    1,137,973.19/1,570,434.75 = 628,708.37/x
  3. Step 3: Cross multiply
    1,137,973.19x = 1,570,434.75 × 628,708.37
  4. Step 4: Simplify right side
    1,137,973.19x = 987,345,464,011.68
  5. Step 5: Solve for x
    x = 987,345,464,011.68/1,137,973.19
  6. Step 6: Final answer
    x = 867,635.09

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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.