Home / 470,101.51-648,744.69-255,243.34

Finding the Fourth Proportional to 470,101.51, 648,744.69 and 255,243.34

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Solution

The fourth proportional to 470,101.51, 648,744.69 and 255,243.34 is: 352,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,101.51 : 648,744.69 = 255,243.34 : x
  2. Step 2: Convert to fraction form
    470,101.51/648,744.69 = 255,243.34/x
  3. Step 3: Cross multiply
    470,101.51x = 648,744.69 × 255,243.34
  4. Step 4: Simplify right side
    470,101.51x = 165,587,761,482.87
  5. Step 5: Solve for x
    x = 165,587,761,482.87/470,101.51
  6. Step 6: Final answer
    x = 352,238.31

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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.