Home / 1,261,693.06-1,740,903.55-717,797.10

Finding the Fourth Proportional to 1,261,693.06, 1,740,903.55 and 717,797.10

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Solution

The fourth proportional to 1,261,693.06, 1,740,903.55 and 717,797.10 is: 990,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,693.06 : 1,740,903.55 = 717,797.10 : x
  2. Step 2: Convert to fraction form
    1,261,693.06/1,740,903.55 = 717,797.10/x
  3. Step 3: Cross multiply
    1,261,693.06x = 1,740,903.55 × 717,797.10
  4. Step 4: Simplify right side
    1,261,693.06x = 1,249,615,519,569.71
  5. Step 5: Solve for x
    x = 1,249,615,519,569.71/1,261,693.06
  6. Step 6: Final answer
    x = 990,427.51

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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.