Home / 723,768.51-1,085,662.01-191,284.94

Finding the Fourth Proportional to 723,768.51, 1,085,662.01 and 191,284.94

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Solution

The fourth proportional to 723,768.51, 1,085,662.01 and 191,284.94 is: 286,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,768.51 : 1,085,662.01 = 191,284.94 : x
  2. Step 2: Convert to fraction form
    723,768.51/1,085,662.01 = 191,284.94/x
  3. Step 3: Cross multiply
    723,768.51x = 1,085,662.01 × 191,284.94
  4. Step 4: Simplify right side
    723,768.51x = 207,670,792,443.13
  5. Step 5: Solve for x
    x = 207,670,792,443.13/723,768.51
  6. Step 6: Final answer
    x = 286,929.85

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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.