Home / 1,811,428.80-2,717,056.80-613,233.60

Finding the Fourth Proportional to 1,811,428.80, 2,717,056.80 and 613,233.60

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Solution

The fourth proportional to 1,811,428.80, 2,717,056.80 and 613,233.60 is: 919,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,428.80 : 2,717,056.80 = 613,233.60 : x
  2. Step 2: Convert to fraction form
    1,811,428.80/2,717,056.80 = 613,233.60/x
  3. Step 3: Cross multiply
    1,811,428.80x = 2,717,056.80 × 613,233.60
  4. Step 4: Simplify right side
    1,811,428.80x = 1,666,190,522,868.48
  5. Step 5: Solve for x
    x = 1,666,190,522,868.48/1,811,428.80
  6. Step 6: Final answer
    x = 919,821.15

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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.