Home / 456,311.24-684,641.84-190,000.24

Finding the Fourth Proportional to 456,311.24, 684,641.84 and 190,000.24

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Solution

The fourth proportional to 456,311.24, 684,641.84 and 190,000.24 is: 285,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,311.24 : 684,641.84 = 190,000.24 : x
  2. Step 2: Convert to fraction form
    456,311.24/684,641.84 = 190,000.24/x
  3. Step 3: Cross multiply
    456,311.24x = 684,641.84 × 190,000.24
  4. Step 4: Simplify right side
    456,311.24x = 130,082,113,914.04
  5. Step 5: Solve for x
    x = 130,082,113,914.04/456,311.24
  6. Step 6: Final answer
    x = 285,073.22

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1.5x scale

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.