Home / 1,191,259.04-1,643,942.80-654,749.60

Finding the Fourth Proportional to 1,191,259.04, 1,643,942.80 and 654,749.60

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Solution

The fourth proportional to 1,191,259.04, 1,643,942.80 and 654,749.60 is: 903,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,259.04 : 1,643,942.80 = 654,749.60 : x
  2. Step 2: Convert to fraction form
    1,191,259.04/1,643,942.80 = 654,749.60/x
  3. Step 3: Cross multiply
    1,191,259.04x = 1,643,942.80 × 654,749.60
  4. Step 4: Simplify right side
    1,191,259.04x = 1,076,370,890,722.88
  5. Step 5: Solve for x
    x = 1,076,370,890,722.88/1,191,259.04
  6. Step 6: Final answer
    x = 903,557.37

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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.