Home / 470,017.89-648,556.25-268,775.01

Finding the Fourth Proportional to 470,017.89, 648,556.25 and 268,775.01

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Solution

The fourth proportional to 470,017.89, 648,556.25 and 268,775.01 is: 370,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,017.89 : 648,556.25 = 268,775.01 : x
  2. Step 2: Convert to fraction form
    470,017.89/648,556.25 = 268,775.01/x
  3. Step 3: Cross multiply
    470,017.89x = 648,556.25 × 268,775.01
  4. Step 4: Simplify right side
    470,017.89x = 174,315,712,579.31
  5. Step 5: Solve for x
    x = 174,315,712,579.31/470,017.89
  6. Step 6: Final answer
    x = 370,870.38

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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.