Home / 1,217,950.72-1,680,775.59-674,124.28

Finding the Fourth Proportional to 1,217,950.72, 1,680,775.59 and 674,124.28

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Solution

The fourth proportional to 1,217,950.72, 1,680,775.59 and 674,124.28 is: 930,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,950.72 : 1,680,775.59 = 674,124.28 : x
  2. Step 2: Convert to fraction form
    1,217,950.72/1,680,775.59 = 674,124.28/x
  3. Step 3: Cross multiply
    1,217,950.72x = 1,680,775.59 × 674,124.28
  4. Step 4: Simplify right side
    1,217,950.72x = 1,133,051,634,450.33
  5. Step 5: Solve for x
    x = 1,133,051,634,450.33/1,217,950.72
  6. Step 6: Final answer
    x = 930,293.50

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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.