Home / 1,173,871.80-1,760,807.70-613,999.80

Finding the Fourth Proportional to 1,173,871.80, 1,760,807.70 and 613,999.80

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Solution

The fourth proportional to 1,173,871.80, 1,760,807.70 and 613,999.80 is: 920,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,871.80 : 1,760,807.70 = 613,999.80 : x
  2. Step 2: Convert to fraction form
    1,173,871.80/1,760,807.70 = 613,999.80/x
  3. Step 3: Cross multiply
    1,173,871.80x = 1,760,807.70 × 613,999.80
  4. Step 4: Simplify right side
    1,173,871.80x = 1,081,135,575,638.46
  5. Step 5: Solve for x
    x = 1,081,135,575,638.46/1,173,871.80
  6. Step 6: Final answer
    x = 920,999.70

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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.