Home / 1,258,013.02-1,736,077.74-685,052.74

Finding the Fourth Proportional to 1,258,013.02, 1,736,077.74 and 685,052.74

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Solution

The fourth proportional to 1,258,013.02, 1,736,077.74 and 685,052.74 is: 945,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,013.02 : 1,736,077.74 = 685,052.74 : x
  2. Step 2: Convert to fraction form
    1,258,013.02/1,736,077.74 = 685,052.74/x
  3. Step 3: Cross multiply
    1,258,013.02x = 1,736,077.74 × 685,052.74
  4. Step 4: Simplify right side
    1,258,013.02x = 1,189,304,803,959.62
  5. Step 5: Solve for x
    x = 1,189,304,803,959.62/1,258,013.02
  6. Step 6: Final answer
    x = 945,383.54

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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.