Home / 1,576,172.76-2,175,171.80-932,145

Finding the Fourth Proportional to 1,576,172.76, 2,175,171.80 and 932,145

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Solution

The fourth proportional to 1,576,172.76, 2,175,171.80 and 932,145 is: 1,286,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,172.76 : 2,175,171.80 = 932,145 : x
  2. Step 2: Convert to fraction form
    1,576,172.76/2,175,171.80 = 932,145/x
  3. Step 3: Cross multiply
    1,576,172.76x = 2,175,171.80 × 932,145
  4. Step 4: Simplify right side
    1,576,172.76x = 2,027,575,517,511.00
  5. Step 5: Solve for x
    x = 2,027,575,517,511.00/1,576,172.76
  6. Step 6: Final answer
    x = 1,286,391.68

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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.