Home / 328,629.51-453,497.81-185,384.25

Finding the Fourth Proportional to 328,629.51, 453,497.81 and 185,384.25

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Solution

The fourth proportional to 328,629.51, 453,497.81 and 185,384.25 is: 255,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,629.51 : 453,497.81 = 185,384.25 : x
  2. Step 2: Convert to fraction form
    328,629.51/453,497.81 = 185,384.25/x
  3. Step 3: Cross multiply
    328,629.51x = 453,497.81 × 185,384.25
  4. Step 4: Simplify right side
    328,629.51x = 84,071,350,456.57
  5. Step 5: Solve for x
    x = 84,071,350,456.57/328,629.51
  6. Step 6: Final answer
    x = 255,824.11

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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.