Home / 1,403,519.43-1,936,868.40-774,883.35

Finding the Fourth Proportional to 1,403,519.43, 1,936,868.40 and 774,883.35

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Solution

The fourth proportional to 1,403,519.43, 1,936,868.40 and 774,883.35 is: 1,069,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,519.43 : 1,936,868.40 = 774,883.35 : x
  2. Step 2: Convert to fraction form
    1,403,519.43/1,936,868.40 = 774,883.35/x
  3. Step 3: Cross multiply
    1,403,519.43x = 1,936,868.40 × 774,883.35
  4. Step 4: Simplify right side
    1,403,519.43x = 1,500,847,074,301.14
  5. Step 5: Solve for x
    x = 1,500,847,074,301.14/1,403,519.43
  6. Step 6: Final answer
    x = 1,069,345.42

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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.