Home / 710,438.70-1,065,633.48-177,964.32

Finding the Fourth Proportional to 710,438.70, 1,065,633.48 and 177,964.32

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Solution

The fourth proportional to 710,438.70, 1,065,633.48 and 177,964.32 is: 266,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,438.70 : 1,065,633.48 = 177,964.32 : x
  2. Step 2: Convert to fraction form
    710,438.70/1,065,633.48 = 177,964.32/x
  3. Step 3: Cross multiply
    710,438.70x = 1,065,633.48 × 177,964.32
  4. Step 4: Simplify right side
    710,438.70x = 189,644,737,637.43
  5. Step 5: Solve for x
    x = 189,644,737,637.43/710,438.70
  6. Step 6: Final answer
    x = 266,940.33

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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.