Home / 1,212,895.86-1,673,807.96-669,054.57

Finding the Fourth Proportional to 1,212,895.86, 1,673,807.96 and 669,054.57

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Solution

The fourth proportional to 1,212,895.86, 1,673,807.96 and 669,054.57 is: 923,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,895.86 : 1,673,807.96 = 669,054.57 : x
  2. Step 2: Convert to fraction form
    1,212,895.86/1,673,807.96 = 669,054.57/x
  3. Step 3: Cross multiply
    1,212,895.86x = 1,673,807.96 × 669,054.57
  4. Step 4: Simplify right side
    1,212,895.86x = 1,119,868,860,336.23
  5. Step 5: Solve for x
    x = 1,119,868,860,336.23/1,212,895.86
  6. Step 6: Final answer
    x = 923,301.74

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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.