Home / 1,440,118.56-1,987,281.46-859,996.56

Finding the Fourth Proportional to 1,440,118.56, 1,987,281.46 and 859,996.56

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Solution

The fourth proportional to 1,440,118.56, 1,987,281.46 and 859,996.56 is: 1,186,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,118.56 : 1,987,281.46 = 859,996.56 : x
  2. Step 2: Convert to fraction form
    1,440,118.56/1,987,281.46 = 859,996.56/x
  3. Step 3: Cross multiply
    1,440,118.56x = 1,987,281.46 × 859,996.56
  4. Step 4: Simplify right side
    1,440,118.56x = 1,709,055,219,351.78
  5. Step 5: Solve for x
    x = 1,709,055,219,351.78/1,440,118.56
  6. Step 6: Final answer
    x = 1,186,746.19

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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.