Home / 464,905.77-641,579.43-260,971.39

Finding the Fourth Proportional to 464,905.77, 641,579.43 and 260,971.39

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Solution

The fourth proportional to 464,905.77, 641,579.43 and 260,971.39 is: 360,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,905.77 : 641,579.43 = 260,971.39 : x
  2. Step 2: Convert to fraction form
    464,905.77/641,579.43 = 260,971.39/x
  3. Step 3: Cross multiply
    464,905.77x = 641,579.43 × 260,971.39
  4. Step 4: Simplify right side
    464,905.77x = 167,433,875,642.51
  5. Step 5: Solve for x
    x = 167,433,875,642.51/464,905.77
  6. Step 6: Final answer
    x = 360,145.83

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1.5x scale

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.