Home / 1,257,360.71-1,876,912.54-1,163,689.07

Finding the Fourth Proportional to 1,257,360.71, 1,876,912.54 and 1,163,689.07

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Solution

The fourth proportional to 1,257,360.71, 1,876,912.54 and 1,163,689.07 is: 1,737,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,360.71 : 1,876,912.54 = 1,163,689.07 : x
  2. Step 2: Convert to fraction form
    1,257,360.71/1,876,912.54 = 1,163,689.07/x
  3. Step 3: Cross multiply
    1,257,360.71x = 1,876,912.54 × 1,163,689.07
  4. Step 4: Simplify right side
    1,257,360.71x = 2,184,142,608,143.94
  5. Step 5: Solve for x
    x = 2,184,142,608,143.94/1,257,360.71
  6. Step 6: Final answer
    x = 1,737,085.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.