Home / 1,156,389.80-1,734,584.70-314,940.20

Finding the Fourth Proportional to 1,156,389.80, 1,734,584.70 and 314,940.20

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Solution

The fourth proportional to 1,156,389.80, 1,734,584.70 and 314,940.20 is: 472,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,389.80 : 1,734,584.70 = 314,940.20 : x
  2. Step 2: Convert to fraction form
    1,156,389.80/1,734,584.70 = 314,940.20/x
  3. Step 3: Cross multiply
    1,156,389.80x = 1,734,584.70 × 314,940.20
  4. Step 4: Simplify right side
    1,156,389.80x = 546,290,452,334.94
  5. Step 5: Solve for x
    x = 546,290,452,334.94/1,156,389.80
  6. Step 6: Final answer
    x = 472,410.30

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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.