Home / 829,188.42-1,243,892.07-289,454.42

Finding the Fourth Proportional to 829,188.42, 1,243,892.07 and 289,454.42

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Solution

The fourth proportional to 829,188.42, 1,243,892.07 and 289,454.42 is: 434,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,188.42 : 1,243,892.07 = 289,454.42 : x
  2. Step 2: Convert to fraction form
    829,188.42/1,243,892.07 = 289,454.42/x
  3. Step 3: Cross multiply
    829,188.42x = 1,243,892.07 × 289,454.42
  4. Step 4: Simplify right side
    829,188.42x = 360,050,051,444.99
  5. Step 5: Solve for x
    x = 360,050,051,444.99/829,188.42
  6. Step 6: Final answer
    x = 434,219.83

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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.