Home / 459,528.15-689,561.96-193,268.19

Finding the Fourth Proportional to 459,528.15, 689,561.96 and 193,268.19

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Solution

The fourth proportional to 459,528.15, 689,561.96 and 193,268.19 is: 290,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,528.15 : 689,561.96 = 193,268.19 : x
  2. Step 2: Convert to fraction form
    459,528.15/689,561.96 = 193,268.19/x
  3. Step 3: Cross multiply
    459,528.15x = 689,561.96 × 193,268.19
  4. Step 4: Simplify right side
    459,528.15x = 133,270,390,935.71
  5. Step 5: Solve for x
    x = 133,270,390,935.71/459,528.15
  6. Step 6: Final answer
    x = 290,015.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.