Home / 1,258,398.28-1,736,616.18-685,437.04

Finding the Fourth Proportional to 1,258,398.28, 1,736,616.18 and 685,437.04

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Solution

The fourth proportional to 1,258,398.28, 1,736,616.18 and 685,437.04 is: 945,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,398.28 : 1,736,616.18 = 685,437.04 : x
  2. Step 2: Convert to fraction form
    1,258,398.28/1,736,616.18 = 685,437.04/x
  3. Step 3: Cross multiply
    1,258,398.28x = 1,736,616.18 × 685,437.04
  4. Step 4: Simplify right side
    1,258,398.28x = 1,190,341,054,035.31
  5. Step 5: Solve for x
    x = 1,190,341,054,035.31/1,258,398.28
  6. Step 6: Final answer
    x = 945,917.58

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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.