Home / 859,713.60-1,289,828.16-347,114.88

Finding the Fourth Proportional to 859,713.60, 1,289,828.16 and 347,114.88

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Solution

The fourth proportional to 859,713.60, 1,289,828.16 and 347,114.88 is: 520,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,713.60 : 1,289,828.16 = 347,114.88 : x
  2. Step 2: Convert to fraction form
    859,713.60/1,289,828.16 = 347,114.88/x
  3. Step 3: Cross multiply
    859,713.60x = 1,289,828.16 × 347,114.88
  4. Step 4: Simplify right side
    859,713.60x = 447,718,546,979.02
  5. Step 5: Solve for x
    x = 447,718,546,979.02/859,713.60
  6. Step 6: Final answer
    x = 520,776.39

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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.