Home / 1,440,489.17-1,987,704.52-859,604.66

Finding the Fourth Proportional to 1,440,489.17, 1,987,704.52 and 859,604.66

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Solution

The fourth proportional to 1,440,489.17, 1,987,704.52 and 859,604.66 is: 1,186,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,489.17 : 1,987,704.52 = 859,604.66 : x
  2. Step 2: Convert to fraction form
    1,440,489.17/1,987,704.52 = 859,604.66/x
  3. Step 3: Cross multiply
    1,440,489.17x = 1,987,704.52 × 859,604.66
  4. Step 4: Simplify right side
    1,440,489.17x = 1,708,640,068,095.06
  5. Step 5: Solve for x
    x = 1,708,640,068,095.06/1,440,489.17
  6. Step 6: Final answer
    x = 1,186,152.67

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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.