Home / 1,188,995.20-1,783,492.80-657,554.20

Finding the Fourth Proportional to 1,188,995.20, 1,783,492.80 and 657,554.20

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Solution

The fourth proportional to 1,188,995.20, 1,783,492.80 and 657,554.20 is: 986,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,995.20 : 1,783,492.80 = 657,554.20 : x
  2. Step 2: Convert to fraction form
    1,188,995.20/1,783,492.80 = 657,554.20/x
  3. Step 3: Cross multiply
    1,188,995.20x = 1,783,492.80 × 657,554.20
  4. Step 4: Simplify right side
    1,188,995.20x = 1,172,743,181,309.76
  5. Step 5: Solve for x
    x = 1,172,743,181,309.76/1,188,995.20
  6. Step 6: Final answer
    x = 986,331.30

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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.