Home / 1,188,366.37-1,640,155.21-705,197.93

Finding the Fourth Proportional to 1,188,366.37, 1,640,155.21 and 705,197.93

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Solution

The fourth proportional to 1,188,366.37, 1,640,155.21 and 705,197.93 is: 973,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,366.37 : 1,640,155.21 = 705,197.93 : x
  2. Step 2: Convert to fraction form
    1,188,366.37/1,640,155.21 = 705,197.93/x
  3. Step 3: Cross multiply
    1,188,366.37x = 1,640,155.21 × 705,197.93
  4. Step 4: Simplify right side
    1,188,366.37x = 1,156,634,050,769.94
  5. Step 5: Solve for x
    x = 1,156,634,050,769.94/1,188,366.37
  6. Step 6: Final answer
    x = 973,297.53

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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.