Home / 470,017.26-648,555.39-268,774.38

Finding the Fourth Proportional to 470,017.26, 648,555.39 and 268,774.38

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Solution

The fourth proportional to 470,017.26, 648,555.39 and 268,774.38 is: 370,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,017.26 : 648,555.39 = 268,774.38 : x
  2. Step 2: Convert to fraction form
    470,017.26/648,555.39 = 268,774.38/x
  3. Step 3: Cross multiply
    470,017.26x = 648,555.39 × 268,774.38
  4. Step 4: Simplify right side
    470,017.26x = 174,315,072,842.91
  5. Step 5: Solve for x
    x = 174,315,072,842.91/470,017.26
  6. Step 6: Final answer
    x = 370,869.51

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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.