Home / 459,548.06-688,901.90-193,327.38

Finding the Fourth Proportional to 459,548.06, 688,901.90 and 193,327.38

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Solution

The fourth proportional to 459,548.06, 688,901.90 and 193,327.38 is: 289,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,548.06 : 688,901.90 = 193,327.38 : x
  2. Step 2: Convert to fraction form
    459,548.06/688,901.90 = 193,327.38/x
  3. Step 3: Cross multiply
    459,548.06x = 688,901.90 × 193,327.38
  4. Step 4: Simplify right side
    459,548.06x = 133,183,598,437.39
  5. Step 5: Solve for x
    x = 133,183,598,437.39/459,548.06
  6. Step 6: Final answer
    x = 289,814.30

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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.