Home / 1,395,532.17-1,925,834.40-783,685.44

Finding the Fourth Proportional to 1,395,532.17, 1,925,834.40 and 783,685.44

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Solution

The fourth proportional to 1,395,532.17, 1,925,834.40 and 783,685.44 is: 1,081,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,532.17 : 1,925,834.40 = 783,685.44 : x
  2. Step 2: Convert to fraction form
    1,395,532.17/1,925,834.40 = 783,685.44/x
  3. Step 3: Cross multiply
    1,395,532.17x = 1,925,834.40 × 783,685.44
  4. Step 4: Simplify right side
    1,395,532.17x = 1,509,248,379,131.14
  5. Step 5: Solve for x
    x = 1,509,248,379,131.14/1,395,532.17
  6. Step 6: Final answer
    x = 1,081,485.91

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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.