Home / 1,519,800.12-2,097,316.53-831,459.51

Finding the Fourth Proportional to 1,519,800.12, 2,097,316.53 and 831,459.51

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Solution

The fourth proportional to 1,519,800.12, 2,097,316.53 and 831,459.51 is: 1,147,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,800.12 : 2,097,316.53 = 831,459.51 : x
  2. Step 2: Convert to fraction form
    1,519,800.12/2,097,316.53 = 831,459.51/x
  3. Step 3: Cross multiply
    1,519,800.12x = 2,097,316.53 × 831,459.51
  4. Step 4: Simplify right side
    1,519,800.12x = 1,743,833,774,348.70
  5. Step 5: Solve for x
    x = 1,743,833,774,348.70/1,519,800.12
  6. Step 6: Final answer
    x = 1,147,409.95

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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.