Home / 1,192,083.80-1,649,407.64-1,039,440.08

Finding the Fourth Proportional to 1,192,083.80, 1,649,407.64 and 1,039,440.08

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Solution

The fourth proportional to 1,192,083.80, 1,649,407.64 and 1,039,440.08 is: 1,438,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,083.80 : 1,649,407.64 = 1,039,440.08 : x
  2. Step 2: Convert to fraction form
    1,192,083.80/1,649,407.64 = 1,039,440.08/x
  3. Step 3: Cross multiply
    1,192,083.80x = 1,649,407.64 × 1,039,440.08
  4. Step 4: Simplify right side
    1,192,083.80x = 1,714,460,395,829.97
  5. Step 5: Solve for x
    x = 1,714,460,395,829.97/1,192,083.80
  6. Step 6: Final answer
    x = 1,438,204.60

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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.