Home / 1,078,124.80-1,617,331.20-367,974.40

Finding the Fourth Proportional to 1,078,124.80, 1,617,331.20 and 367,974.40

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Solution

The fourth proportional to 1,078,124.80, 1,617,331.20 and 367,974.40 is: 552,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,124.80 : 1,617,331.20 = 367,974.40 : x
  2. Step 2: Convert to fraction form
    1,078,124.80/1,617,331.20 = 367,974.40/x
  3. Step 3: Cross multiply
    1,078,124.80x = 1,617,331.20 × 367,974.40
  4. Step 4: Simplify right side
    1,078,124.80x = 595,136,477,921.28
  5. Step 5: Solve for x
    x = 595,136,477,921.28/1,078,124.80
  6. Step 6: Final answer
    x = 552,010.75

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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.