Home / 829,585.69-1,244,382.48-289,839.71

Finding the Fourth Proportional to 829,585.69, 1,244,382.48 and 289,839.71

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Solution

The fourth proportional to 829,585.69, 1,244,382.48 and 289,839.71 is: 434,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,585.69 : 1,244,382.48 = 289,839.71 : x
  2. Step 2: Convert to fraction form
    829,585.69/1,244,382.48 = 289,839.71/x
  3. Step 3: Cross multiply
    829,585.69x = 1,244,382.48 × 289,839.71
  4. Step 4: Simplify right side
    829,585.69x = 360,671,457,132.28
  5. Step 5: Solve for x
    x = 360,671,457,132.28/829,585.69
  6. Step 6: Final answer
    x = 434,760.94

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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.