Home / 1,258,208.43-1,736,347.40-685,248.14

Finding the Fourth Proportional to 1,258,208.43, 1,736,347.40 and 685,248.14

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Solution

The fourth proportional to 1,258,208.43, 1,736,347.40 and 685,248.14 is: 945,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,208.43 : 1,736,347.40 = 685,248.14 : x
  2. Step 2: Convert to fraction form
    1,258,208.43/1,736,347.40 = 685,248.14/x
  3. Step 3: Cross multiply
    1,258,208.43x = 1,736,347.40 × 685,248.14
  4. Step 4: Simplify right side
    1,258,208.43x = 1,189,828,826,243.84
  5. Step 5: Solve for x
    x = 1,189,828,826,243.84/1,258,208.43
  6. Step 6: Final answer
    x = 945,653.20

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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.