Home / 1,209,851.37-1,669,537.58-665,975.93

Finding the Fourth Proportional to 1,209,851.37, 1,669,537.58 and 665,975.93

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Solution

The fourth proportional to 1,209,851.37, 1,669,537.58 and 665,975.93 is: 919,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,851.37 : 1,669,537.58 = 665,975.93 : x
  2. Step 2: Convert to fraction form
    1,209,851.37/1,669,537.58 = 665,975.93/x
  3. Step 3: Cross multiply
    1,209,851.37x = 1,669,537.58 × 665,975.93
  4. Step 4: Simplify right side
    1,209,851.37x = 1,111,871,830,832.88
  5. Step 5: Solve for x
    x = 1,111,871,830,832.88/1,209,851.37
  6. Step 6: Final answer
    x = 919,015.23

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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.