Home / 1,464,126.90-2,020,515.76-843,589.12

Finding the Fourth Proportional to 1,464,126.90, 2,020,515.76 and 843,589.12

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Solution

The fourth proportional to 1,464,126.90, 2,020,515.76 and 843,589.12 is: 1,164,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,126.90 : 2,020,515.76 = 843,589.12 : x
  2. Step 2: Convert to fraction form
    1,464,126.90/2,020,515.76 = 843,589.12/x
  3. Step 3: Cross multiply
    1,464,126.90x = 2,020,515.76 × 843,589.12
  4. Step 4: Simplify right side
    1,464,126.90x = 1,704,485,111,924.53
  5. Step 5: Solve for x
    x = 1,704,485,111,924.53/1,464,126.90
  6. Step 6: Final answer
    x = 1,164,164.88

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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.