Home / 1,196,140.56-1,794,390.05-386,254.36

Finding the Fourth Proportional to 1,196,140.56, 1,794,390.05 and 386,254.36

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Solution

The fourth proportional to 1,196,140.56, 1,794,390.05 and 386,254.36 is: 579,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,140.56 : 1,794,390.05 = 386,254.36 : x
  2. Step 2: Convert to fraction form
    1,196,140.56/1,794,390.05 = 386,254.36/x
  3. Step 3: Cross multiply
    1,196,140.56x = 1,794,390.05 × 386,254.36
  4. Step 4: Simplify right side
    1,196,140.56x = 693,090,980,353.12
  5. Step 5: Solve for x
    x = 693,090,980,353.12/1,196,140.56
  6. Step 6: Final answer
    x = 579,439.41

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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.