Home / 1,256,610.07-1,870,701.70-1,249,136.60

Finding the Fourth Proportional to 1,256,610.07, 1,870,701.70 and 1,249,136.60

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Solution

The fourth proportional to 1,256,610.07, 1,870,701.70 and 1,249,136.60 is: 1,859,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,610.07 : 1,870,701.70 = 1,249,136.60 : x
  2. Step 2: Convert to fraction form
    1,256,610.07/1,870,701.70 = 1,249,136.60/x
  3. Step 3: Cross multiply
    1,256,610.07x = 1,870,701.70 × 1,249,136.60
  4. Step 4: Simplify right side
    1,256,610.07x = 2,336,761,961,152.22
  5. Step 5: Solve for x
    x = 2,336,761,961,152.22/1,256,610.07
  6. Step 6: Final answer
    x = 1,859,576.03

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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.