Home / 679,023.56-936,701.13-461,243.45

Finding the Fourth Proportional to 679,023.56, 936,701.13 and 461,243.45

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Solution

The fourth proportional to 679,023.56, 936,701.13 and 461,243.45 is: 636,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,023.56 : 936,701.13 = 461,243.45 : x
  2. Step 2: Convert to fraction form
    679,023.56/936,701.13 = 461,243.45/x
  3. Step 3: Cross multiply
    679,023.56x = 936,701.13 × 461,243.45
  4. Step 4: Simplify right side
    679,023.56x = 432,047,260,820.10
  5. Step 5: Solve for x
    x = 432,047,260,820.10/679,023.56
  6. Step 6: Final answer
    x = 636,277.28

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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.