Home / 456,414.72-684,707.84-207,114.24

Finding the Fourth Proportional to 456,414.72, 684,707.84 and 207,114.24

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Solution

The fourth proportional to 456,414.72, 684,707.84 and 207,114.24 is: 310,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,414.72 : 684,707.84 = 207,114.24 : x
  2. Step 2: Convert to fraction form
    456,414.72/684,707.84 = 207,114.24/x
  3. Step 3: Cross multiply
    456,414.72x = 684,707.84 × 207,114.24
  4. Step 4: Simplify right side
    456,414.72x = 141,812,743,903.64
  5. Step 5: Solve for x
    x = 141,812,743,903.64/456,414.72
  6. Step 6: Final answer
    x = 310,710.28

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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.