Home / 456,177.40-684,266.10-189,849.40

Finding the Fourth Proportional to 456,177.40, 684,266.10 and 189,849.40

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Solution

The fourth proportional to 456,177.40, 684,266.10 and 189,849.40 is: 284,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,177.40 : 684,266.10 = 189,849.40 : x
  2. Step 2: Convert to fraction form
    456,177.40/684,266.10 = 189,849.40/x
  3. Step 3: Cross multiply
    456,177.40x = 684,266.10 × 189,849.40
  4. Step 4: Simplify right side
    456,177.40x = 129,907,508,525.34
  5. Step 5: Solve for x
    x = 129,907,508,525.34/456,177.40
  6. Step 6: Final answer
    x = 284,774.10

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Similar ratio
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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.