Home / 862,208.73-1,189,848.37-499,842.65

Finding the Fourth Proportional to 862,208.73, 1,189,848.37 and 499,842.65

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Solution

The fourth proportional to 862,208.73, 1,189,848.37 and 499,842.65 is: 689,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,208.73 : 1,189,848.37 = 499,842.65 : x
  2. Step 2: Convert to fraction form
    862,208.73/1,189,848.37 = 499,842.65/x
  3. Step 3: Cross multiply
    862,208.73x = 1,189,848.37 × 499,842.65
  4. Step 4: Simplify right side
    862,208.73x = 594,736,962,358.98
  5. Step 5: Solve for x
    x = 594,736,962,358.98/862,208.73
  6. Step 6: Final answer
    x = 689,783.04

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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.