Home / 470,171.37-648,837.81-255,315.03

Finding the Fourth Proportional to 470,171.37, 648,837.81 and 255,315.03

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Solution

The fourth proportional to 470,171.37, 648,837.81 and 255,315.03 is: 352,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,171.37 : 648,837.81 = 255,315.03 : x
  2. Step 2: Convert to fraction form
    470,171.37/648,837.81 = 255,315.03/x
  3. Step 3: Cross multiply
    470,171.37x = 648,837.81 × 255,315.03
  4. Step 4: Simplify right side
    470,171.37x = 165,658,044,925.28
  5. Step 5: Solve for x
    x = 165,658,044,925.28/470,171.37
  6. Step 6: Final answer
    x = 352,335.46

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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.