Home / 1,302,970.46-1,798,206.94-722,375.76

Finding the Fourth Proportional to 1,302,970.46, 1,798,206.94 and 722,375.76

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Solution

The fourth proportional to 1,302,970.46, 1,798,206.94 and 722,375.76 is: 996,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,970.46 : 1,798,206.94 = 722,375.76 : x
  2. Step 2: Convert to fraction form
    1,302,970.46/1,798,206.94 = 722,375.76/x
  3. Step 3: Cross multiply
    1,302,970.46x = 1,798,206.94 × 722,375.76
  4. Step 4: Simplify right side
    1,302,970.46x = 1,298,981,112,566.02
  5. Step 5: Solve for x
    x = 1,298,981,112,566.02/1,302,970.46
  6. Step 6: Final answer
    x = 996,938.27

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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.