Home / 1,256,610.06-1,870,701.69-1,249,136.61

Finding the Fourth Proportional to 1,256,610.06, 1,870,701.69 and 1,249,136.61

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Solution

The fourth proportional to 1,256,610.06, 1,870,701.69 and 1,249,136.61 is: 1,859,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,610.06 : 1,870,701.69 = 1,249,136.61 : x
  2. Step 2: Convert to fraction form
    1,256,610.06/1,870,701.69 = 1,249,136.61/x
  3. Step 3: Cross multiply
    1,256,610.06x = 1,870,701.69 × 1,249,136.61
  4. Step 4: Simplify right side
    1,256,610.06x = 2,336,761,967,367.87
  5. Step 5: Solve for x
    x = 2,336,761,967,367.87/1,256,610.06
  6. Step 6: Final answer
    x = 1,859,576.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.