Home / 470,546.47-649,358.24-255,686.53

Finding the Fourth Proportional to 470,546.47, 649,358.24 and 255,686.53

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Solution

The fourth proportional to 470,546.47, 649,358.24 and 255,686.53 is: 352,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,546.47 : 649,358.24 = 255,686.53 : x
  2. Step 2: Convert to fraction form
    470,546.47/649,358.24 = 255,686.53/x
  3. Step 3: Cross multiply
    470,546.47x = 649,358.24 × 255,686.53
  4. Step 4: Simplify right side
    470,546.47x = 166,032,155,112.51
  5. Step 5: Solve for x
    x = 166,032,155,112.51/470,546.47
  6. Step 6: Final answer
    x = 352,849.65

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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.