Home / 1,201,187.34-1,657,638.73-657,323.27

Finding the Fourth Proportional to 1,201,187.34, 1,657,638.73 and 657,323.27

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Solution

The fourth proportional to 1,201,187.34, 1,657,638.73 and 657,323.27 is: 907,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,187.34 : 1,657,638.73 = 657,323.27 : x
  2. Step 2: Convert to fraction form
    1,201,187.34/1,657,638.73 = 657,323.27/x
  3. Step 3: Cross multiply
    1,201,187.34x = 1,657,638.73 × 657,323.27
  4. Step 4: Simplify right side
    1,201,187.34x = 1,089,604,498,907.44
  5. Step 5: Solve for x
    x = 1,089,604,498,907.44/1,201,187.34
  6. Step 6: Final answer
    x = 907,106.22

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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.