Home / 1,258,213.52-1,736,354.43-685,253.24

Finding the Fourth Proportional to 1,258,213.52, 1,736,354.43 and 685,253.24

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Solution

The fourth proportional to 1,258,213.52, 1,736,354.43 and 685,253.24 is: 945,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,213.52 : 1,736,354.43 = 685,253.24 : x
  2. Step 2: Convert to fraction form
    1,258,213.52/1,736,354.43 = 685,253.24/x
  3. Step 3: Cross multiply
    1,258,213.52x = 1,736,354.43 × 685,253.24
  4. Step 4: Simplify right side
    1,258,213.52x = 1,189,842,490,264.08
  5. Step 5: Solve for x
    x = 1,189,842,490,264.08/1,258,213.52
  6. Step 6: Final answer
    x = 945,660.23

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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.