Home / 1,211,997.30-1,672,567.92-668,154.30

Finding the Fourth Proportional to 1,211,997.30, 1,672,567.92 and 668,154.30

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Solution

The fourth proportional to 1,211,997.30, 1,672,567.92 and 668,154.30 is: 922,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,997.30 : 1,672,567.92 = 668,154.30 : x
  2. Step 2: Convert to fraction form
    1,211,997.30/1,672,567.92 = 668,154.30/x
  3. Step 3: Cross multiply
    1,211,997.30x = 1,672,567.92 × 668,154.30
  4. Step 4: Simplify right side
    1,211,997.30x = 1,117,533,447,790.06
  5. Step 5: Solve for x
    x = 1,117,533,447,790.06/1,211,997.30
  6. Step 6: Final answer
    x = 922,059.35

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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.