Home / 456,315.24-684,647.88-190,004.28

Finding the Fourth Proportional to 456,315.24, 684,647.88 and 190,004.28

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Solution

The fourth proportional to 456,315.24, 684,647.88 and 190,004.28 is: 285,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,315.24 : 684,647.88 = 190,004.28 : x
  2. Step 2: Convert to fraction form
    456,315.24/684,647.88 = 190,004.28/x
  3. Step 3: Cross multiply
    456,315.24x = 684,647.88 × 190,004.28
  4. Step 4: Simplify right side
    456,315.24x = 130,086,027,492.93
  5. Step 5: Solve for x
    x = 130,086,027,492.93/456,315.24
  6. Step 6: Final answer
    x = 285,079.30

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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.