Home / 1,314,967.74-1,972,507.77-516,422.36

Finding the Fourth Proportional to 1,314,967.74, 1,972,507.77 and 516,422.36

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Solution

The fourth proportional to 1,314,967.74, 1,972,507.77 and 516,422.36 is: 774,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,967.74 : 1,972,507.77 = 516,422.36 : x
  2. Step 2: Convert to fraction form
    1,314,967.74/1,972,507.77 = 516,422.36/x
  3. Step 3: Cross multiply
    1,314,967.74x = 1,972,507.77 × 516,422.36
  4. Step 4: Simplify right side
    1,314,967.74x = 1,018,647,117,701.74
  5. Step 5: Solve for x
    x = 1,018,647,117,701.74/1,314,967.74
  6. Step 6: Final answer
    x = 774,655.60

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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.