Home / 1,258,213.61-1,736,354.57-685,253.34

Finding the Fourth Proportional to 1,258,213.61, 1,736,354.57 and 685,253.34

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Solution

The fourth proportional to 1,258,213.61, 1,736,354.57 and 685,253.34 is: 945,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,213.61 : 1,736,354.57 = 685,253.34 : x
  2. Step 2: Convert to fraction form
    1,258,213.61/1,736,354.57 = 685,253.34/x
  3. Step 3: Cross multiply
    1,258,213.61x = 1,736,354.57 × 685,253.34
  4. Step 4: Simplify right side
    1,258,213.61x = 1,189,842,765,090.50
  5. Step 5: Solve for x
    x = 1,189,842,765,090.50/1,258,213.61
  6. Step 6: Final answer
    x = 945,660.38

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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.