Home / 1,207,782.96-1,666,761.21-663,941.67

Finding the Fourth Proportional to 1,207,782.96, 1,666,761.21 and 663,941.67

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Solution

The fourth proportional to 1,207,782.96, 1,666,761.21 and 663,941.67 is: 916,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,782.96 : 1,666,761.21 = 663,941.67 : x
  2. Step 2: Convert to fraction form
    1,207,782.96/1,666,761.21 = 663,941.67/x
  3. Step 3: Cross multiply
    1,207,782.96x = 1,666,761.21 × 663,941.67
  4. Step 4: Simplify right side
    1,207,782.96x = 1,106,632,221,258.62
  5. Step 5: Solve for x
    x = 1,106,632,221,258.62/1,207,782.96
  6. Step 6: Final answer
    x = 916,250.90

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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.