Home / 1,643,259.16-2,466,918.51-779,519.89

Finding the Fourth Proportional to 1,643,259.16, 2,466,918.51 and 779,519.89

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Solution

The fourth proportional to 1,643,259.16, 2,466,918.51 and 779,519.89 is: 1,170,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,259.16 : 2,466,918.51 = 779,519.89 : x
  2. Step 2: Convert to fraction form
    1,643,259.16/2,466,918.51 = 779,519.89/x
  3. Step 3: Cross multiply
    1,643,259.16x = 2,466,918.51 × 779,519.89
  4. Step 4: Simplify right side
    1,643,259.16x = 1,923,012,045,554.16
  5. Step 5: Solve for x
    x = 1,923,012,045,554.16/1,643,259.16
  6. Step 6: Final answer
    x = 1,170,242.71

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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.