Home / 1,223,670.38-1,688,712.53-837,295.73

Finding the Fourth Proportional to 1,223,670.38, 1,688,712.53 and 837,295.73

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Solution

The fourth proportional to 1,223,670.38, 1,688,712.53 and 837,295.73 is: 1,155,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,670.38 : 1,688,712.53 = 837,295.73 : x
  2. Step 2: Convert to fraction form
    1,223,670.38/1,688,712.53 = 837,295.73/x
  3. Step 3: Cross multiply
    1,223,670.38x = 1,688,712.53 × 837,295.73
  4. Step 4: Simplify right side
    1,223,670.38x = 1,413,951,777,936.46
  5. Step 5: Solve for x
    x = 1,413,951,777,936.46/1,223,670.38
  6. Step 6: Final answer
    x = 1,155,500.53

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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.