Home / 386,090.28-532,804.23-216,325.62

Finding the Fourth Proportional to 386,090.28, 532,804.23 and 216,325.62

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Solution

The fourth proportional to 386,090.28, 532,804.23 and 216,325.62 is: 298,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,090.28 : 532,804.23 = 216,325.62 : x
  2. Step 2: Convert to fraction form
    386,090.28/532,804.23 = 216,325.62/x
  3. Step 3: Cross multiply
    386,090.28x = 532,804.23 × 216,325.62
  4. Step 4: Simplify right side
    386,090.28x = 115,259,205,393.37
  5. Step 5: Solve for x
    x = 115,259,205,393.37/386,090.28
  6. Step 6: Final answer
    x = 298,529.16

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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.