Home / 893,378.57-1,232,858.39-485,472.69

Finding the Fourth Proportional to 893,378.57, 1,232,858.39 and 485,472.69

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Solution

The fourth proportional to 893,378.57, 1,232,858.39 and 485,472.69 is: 669,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,378.57 : 1,232,858.39 = 485,472.69 : x
  2. Step 2: Convert to fraction form
    893,378.57/1,232,858.39 = 485,472.69/x
  3. Step 3: Cross multiply
    893,378.57x = 1,232,858.39 × 485,472.69
  4. Step 4: Simplify right side
    893,378.57x = 598,519,076,555.01
  5. Step 5: Solve for x
    x = 598,519,076,555.01/893,378.57
  6. Step 6: Final answer
    x = 669,950.12

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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.