Home / 777,112.92-1,072,005.36-534,975.12

Finding the Fourth Proportional to 777,112.92, 1,072,005.36 and 534,975.12

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Solution

The fourth proportional to 777,112.92, 1,072,005.36 and 534,975.12 is: 737,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,112.92 : 1,072,005.36 = 534,975.12 : x
  2. Step 2: Convert to fraction form
    777,112.92/1,072,005.36 = 534,975.12/x
  3. Step 3: Cross multiply
    777,112.92x = 1,072,005.36 × 534,975.12
  4. Step 4: Simplify right side
    777,112.92x = 573,496,196,106.64
  5. Step 5: Solve for x
    x = 573,496,196,106.64/777,112.92
  6. Step 6: Final answer
    x = 737,983.09

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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.