Home / 456,949.14-630,609.51-253,000.05

Finding the Fourth Proportional to 456,949.14, 630,609.51 and 253,000.05

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Solution

The fourth proportional to 456,949.14, 630,609.51 and 253,000.05 is: 349,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,949.14 : 630,609.51 = 253,000.05 : x
  2. Step 2: Convert to fraction form
    456,949.14/630,609.51 = 253,000.05/x
  3. Step 3: Cross multiply
    456,949.14x = 630,609.51 × 253,000.05
  4. Step 4: Simplify right side
    456,949.14x = 159,544,237,560.48
  5. Step 5: Solve for x
    x = 159,544,237,560.48/456,949.14
  6. Step 6: Final answer
    x = 349,150.98

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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.