Home / 1,258,459.94-1,736,672.10-685,498.75

Finding the Fourth Proportional to 1,258,459.94, 1,736,672.10 and 685,498.75

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Solution

The fourth proportional to 1,258,459.94, 1,736,672.10 and 685,498.75 is: 945,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,459.94 : 1,736,672.10 = 685,498.75 : x
  2. Step 2: Convert to fraction form
    1,258,459.94/1,736,672.10 = 685,498.75/x
  3. Step 3: Cross multiply
    1,258,459.94x = 1,736,672.10 × 685,498.75
  4. Step 4: Simplify right side
    1,258,459.94x = 1,190,486,546,797.57
  5. Step 5: Solve for x
    x = 1,190,486,546,797.57/1,258,459.94
  6. Step 6: Final answer
    x = 945,986.84

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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.