Home / 1,036,717.70-1,555,076.55-859,570.70

Finding the Fourth Proportional to 1,036,717.70, 1,555,076.55 and 859,570.70

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Solution

The fourth proportional to 1,036,717.70, 1,555,076.55 and 859,570.70 is: 1,289,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,717.70 : 1,555,076.55 = 859,570.70 : x
  2. Step 2: Convert to fraction form
    1,036,717.70/1,555,076.55 = 859,570.70/x
  3. Step 3: Cross multiply
    1,036,717.70x = 1,555,076.55 × 859,570.70
  4. Step 4: Simplify right side
    1,036,717.70x = 1,336,698,238,637.09
  5. Step 5: Solve for x
    x = 1,336,698,238,637.09/1,036,717.70
  6. Step 6: Final answer
    x = 1,289,356.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.