Home / 1,638,206.55-2,457,309.83-929,618.55

Finding the Fourth Proportional to 1,638,206.55, 2,457,309.83 and 929,618.55

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Solution

The fourth proportional to 1,638,206.55, 2,457,309.83 and 929,618.55 is: 1,394,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,206.55 : 2,457,309.83 = 929,618.55 : x
  2. Step 2: Convert to fraction form
    1,638,206.55/2,457,309.83 = 929,618.55/x
  3. Step 3: Cross multiply
    1,638,206.55x = 2,457,309.83 × 929,618.55
  4. Step 4: Simplify right side
    1,638,206.55x = 2,284,360,796,417.25
  5. Step 5: Solve for x
    x = 2,284,360,796,417.25/1,638,206.55
  6. Step 6: Final answer
    x = 1,394,427.83

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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.