Home / 1,218,683.25-1,681,762.21-674,807.33

Finding the Fourth Proportional to 1,218,683.25, 1,681,762.21 and 674,807.33

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Solution

The fourth proportional to 1,218,683.25, 1,681,762.21 and 674,807.33 is: 931,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,683.25 : 1,681,762.21 = 674,807.33 : x
  2. Step 2: Convert to fraction form
    1,218,683.25/1,681,762.21 = 674,807.33/x
  3. Step 3: Cross multiply
    1,218,683.25x = 1,681,762.21 × 674,807.33
  4. Step 4: Simplify right side
    1,218,683.25x = 1,134,865,464,107.61
  5. Step 5: Solve for x
    x = 1,134,865,464,107.61/1,218,683.25
  6. Step 6: Final answer
    x = 931,222.67

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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.