Home / 1,869,459.56-2,804,662.17-521,621.58

Finding the Fourth Proportional to 1,869,459.56, 2,804,662.17 and 521,621.58

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Solution

The fourth proportional to 1,869,459.56, 2,804,662.17 and 521,621.58 is: 782,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,459.56 : 2,804,662.17 = 521,621.58 : x
  2. Step 2: Convert to fraction form
    1,869,459.56/2,804,662.17 = 521,621.58/x
  3. Step 3: Cross multiply
    1,869,459.56x = 2,804,662.17 × 521,621.58
  4. Step 4: Simplify right side
    1,869,459.56x = 1,462,972,312,481.63
  5. Step 5: Solve for x
    x = 1,462,972,312,481.63/1,869,459.56
  6. Step 6: Final answer
    x = 782,564.30

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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.