Home / 829,079.30-1,244,540.55-513,892.10

Finding the Fourth Proportional to 829,079.30, 1,244,540.55 and 513,892.10

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Solution

The fourth proportional to 829,079.30, 1,244,540.55 and 513,892.10 is: 771,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,079.30 : 1,244,540.55 = 513,892.10 : x
  2. Step 2: Convert to fraction form
    829,079.30/1,244,540.55 = 513,892.10/x
  3. Step 3: Cross multiply
    829,079.30x = 1,244,540.55 × 513,892.10
  4. Step 4: Simplify right side
    829,079.30x = 639,559,556,774.66
  5. Step 5: Solve for x
    x = 639,559,556,774.66/829,079.30
  6. Step 6: Final answer
    x = 771,409.39

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1.5x scale

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.