Home / 836,630.03-1,154,556.78-454,656.80

Finding the Fourth Proportional to 836,630.03, 1,154,556.78 and 454,656.80

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Solution

The fourth proportional to 836,630.03, 1,154,556.78 and 454,656.80 is: 627,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,630.03 : 1,154,556.78 = 454,656.80 : x
  2. Step 2: Convert to fraction form
    836,630.03/1,154,556.78 = 454,656.80/x
  3. Step 3: Cross multiply
    836,630.03x = 1,154,556.78 × 454,656.80
  4. Step 4: Simplify right side
    836,630.03x = 524,927,091,013.10
  5. Step 5: Solve for x
    x = 524,927,091,013.10/836,630.03
  6. Step 6: Final answer
    x = 627,430.37

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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.