Home / 1,036,010.19-1,555,075.71-855,520.55

Finding the Fourth Proportional to 1,036,010.19, 1,555,075.71 and 855,520.55

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Solution

The fourth proportional to 1,036,010.19, 1,555,075.71 and 855,520.55 is: 1,284,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,010.19 : 1,555,075.71 = 855,520.55 : x
  2. Step 2: Convert to fraction form
    1,036,010.19/1,555,075.71 = 855,520.55/x
  3. Step 3: Cross multiply
    1,036,010.19x = 1,555,075.71 × 855,520.55
  4. Step 4: Simplify right side
    1,036,010.19x = 1,330,399,226,710.84
  5. Step 5: Solve for x
    x = 1,330,399,226,710.84/1,036,010.19
  6. Step 6: Final answer
    x = 1,284,156.51

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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.