Home / 1,233,090.80-1,849,830.60-391,727.60

Finding the Fourth Proportional to 1,233,090.80, 1,849,830.60 and 391,727.60

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Solution

The fourth proportional to 1,233,090.80, 1,849,830.60 and 391,727.60 is: 587,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,090.80 : 1,849,830.60 = 391,727.60 : x
  2. Step 2: Convert to fraction form
    1,233,090.80/1,849,830.60 = 391,727.60/x
  3. Step 3: Cross multiply
    1,233,090.80x = 1,849,830.60 × 391,727.60
  4. Step 4: Simplify right side
    1,233,090.80x = 724,629,701,344.56
  5. Step 5: Solve for x
    x = 724,629,701,344.56/1,233,090.80
  6. Step 6: Final answer
    x = 587,653.16

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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.