Home / 1,269,845.40-1,904,271.90-460,037.58

Finding the Fourth Proportional to 1,269,845.40, 1,904,271.90 and 460,037.58

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Solution

The fourth proportional to 1,269,845.40, 1,904,271.90 and 460,037.58 is: 689,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,845.40 : 1,904,271.90 = 460,037.58 : x
  2. Step 2: Convert to fraction form
    1,269,845.40/1,904,271.90 = 460,037.58/x
  3. Step 3: Cross multiply
    1,269,845.40x = 1,904,271.90 × 460,037.58
  4. Step 4: Simplify right side
    1,269,845.40x = 876,036,636,538.00
  5. Step 5: Solve for x
    x = 876,036,636,538.00/1,269,845.40
  6. Step 6: Final answer
    x = 689,876.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.