Home / 893,835.18-1,233,516.41-485,964.45

Finding the Fourth Proportional to 893,835.18, 1,233,516.41 and 485,964.45

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Solution

The fourth proportional to 893,835.18, 1,233,516.41 and 485,964.45 is: 670,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,835.18 : 1,233,516.41 = 485,964.45 : x
  2. Step 2: Convert to fraction form
    893,835.18/1,233,516.41 = 485,964.45/x
  3. Step 3: Cross multiply
    893,835.18x = 1,233,516.41 × 485,964.45
  4. Step 4: Simplify right side
    893,835.18x = 599,445,123,751.63
  5. Step 5: Solve for x
    x = 599,445,123,751.63/893,835.18
  6. Step 6: Final answer
    x = 670,643.91

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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.