Home / 563,179.44-777,188.40-305,059.16

Finding the Fourth Proportional to 563,179.44, 777,188.40 and 305,059.16

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Solution

The fourth proportional to 563,179.44, 777,188.40 and 305,059.16 is: 420,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,179.44 : 777,188.40 = 305,059.16 : x
  2. Step 2: Convert to fraction form
    563,179.44/777,188.40 = 305,059.16/x
  3. Step 3: Cross multiply
    563,179.44x = 777,188.40 × 305,059.16
  4. Step 4: Simplify right side
    563,179.44x = 237,088,440,465.74
  5. Step 5: Solve for x
    x = 237,088,440,465.74/563,179.44
  6. Step 6: Final answer
    x = 420,982.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.