Home / 404,890.40-607,466.74-120,583.28

Finding the Fourth Proportional to 404,890.40, 607,466.74 and 120,583.28

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Solution

The fourth proportional to 404,890.40, 607,466.74 and 120,583.28 is: 180,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,890.40 : 607,466.74 = 120,583.28 : x
  2. Step 2: Convert to fraction form
    404,890.40/607,466.74 = 120,583.28/x
  3. Step 3: Cross multiply
    404,890.40x = 607,466.74 × 120,583.28
  4. Step 4: Simplify right side
    404,890.40x = 73,250,333,443.41
  5. Step 5: Solve for x
    x = 73,250,333,443.41/404,890.40
  6. Step 6: Final answer
    x = 180,913.98

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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.