Home / 1,178,600.16-1,626,425.12-720,481.92

Finding the Fourth Proportional to 1,178,600.16, 1,626,425.12 and 720,481.92

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Solution

The fourth proportional to 1,178,600.16, 1,626,425.12 and 720,481.92 is: 994,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,600.16 : 1,626,425.12 = 720,481.92 : x
  2. Step 2: Convert to fraction form
    1,178,600.16/1,626,425.12 = 720,481.92/x
  3. Step 3: Cross multiply
    1,178,600.16x = 1,626,425.12 × 720,481.92
  4. Step 4: Simplify right side
    1,178,600.16x = 1,171,809,893,193.83
  5. Step 5: Solve for x
    x = 1,171,809,893,193.83/1,178,600.16
  6. Step 6: Final answer
    x = 994,238.70

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1.5x scale

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.