Home / 456,579.93-630,333.69-275,337.75

Finding the Fourth Proportional to 456,579.93, 630,333.69 and 275,337.75

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Solution

The fourth proportional to 456,579.93, 630,333.69 and 275,337.75 is: 380,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,579.93 : 630,333.69 = 275,337.75 : x
  2. Step 2: Convert to fraction form
    456,579.93/630,333.69 = 275,337.75/x
  3. Step 3: Cross multiply
    456,579.93x = 630,333.69 × 275,337.75
  4. Step 4: Simplify right side
    456,579.93x = 173,554,659,953.80
  5. Step 5: Solve for x
    x = 173,554,659,953.80/456,579.93
  6. Step 6: Final answer
    x = 380,118.90

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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.