Home / 893,571.78-1,233,141.54-485,673.50

Finding the Fourth Proportional to 893,571.78, 1,233,141.54 and 485,673.50

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Solution

The fourth proportional to 893,571.78, 1,233,141.54 and 485,673.50 is: 670,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,571.78 : 1,233,141.54 = 485,673.50 : x
  2. Step 2: Convert to fraction form
    893,571.78/1,233,141.54 = 485,673.50/x
  3. Step 3: Cross multiply
    893,571.78x = 1,233,141.54 × 485,673.50
  4. Step 4: Simplify right side
    893,571.78x = 598,904,168,988.77
  5. Step 5: Solve for x
    x = 598,904,168,988.77/893,571.78
  6. Step 6: Final answer
    x = 670,236.21

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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.