Home / 1,255,876.55-1,733,089.87-682,911.71

Finding the Fourth Proportional to 1,255,876.55, 1,733,089.87 and 682,911.71

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Solution

The fourth proportional to 1,255,876.55, 1,733,089.87 and 682,911.71 is: 942,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,876.55 : 1,733,089.87 = 682,911.71 : x
  2. Step 2: Convert to fraction form
    1,255,876.55/1,733,089.87 = 682,911.71/x
  3. Step 3: Cross multiply
    1,255,876.55x = 1,733,089.87 × 682,911.71
  4. Step 4: Simplify right side
    1,255,876.55x = 1,183,547,366,705.38
  5. Step 5: Solve for x
    x = 1,183,547,366,705.38/1,255,876.55
  6. Step 6: Final answer
    x = 942,407.41

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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.