Home / 1,639,199.52-2,458,208.16-692,643.60

Finding the Fourth Proportional to 1,639,199.52, 2,458,208.16 and 692,643.60

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Solution

The fourth proportional to 1,639,199.52, 2,458,208.16 and 692,643.60 is: 1,038,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,199.52 : 2,458,208.16 = 692,643.60 : x
  2. Step 2: Convert to fraction form
    1,639,199.52/2,458,208.16 = 692,643.60/x
  3. Step 3: Cross multiply
    1,639,199.52x = 2,458,208.16 × 692,643.60
  4. Step 4: Simplify right side
    1,639,199.52x = 1,702,662,149,491.78
  5. Step 5: Solve for x
    x = 1,702,662,149,491.78/1,639,199.52
  6. Step 6: Final answer
    x = 1,038,715.62

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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.