Home / 545,160.44-752,315.64-303,439.16

Finding the Fourth Proportional to 545,160.44, 752,315.64 and 303,439.16

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Solution

The fourth proportional to 545,160.44, 752,315.64 and 303,439.16 is: 418,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,160.44 : 752,315.64 = 303,439.16 : x
  2. Step 2: Convert to fraction form
    545,160.44/752,315.64 = 303,439.16/x
  3. Step 3: Cross multiply
    545,160.44x = 752,315.64 × 303,439.16
  4. Step 4: Simplify right side
    545,160.44x = 228,282,025,856.46
  5. Step 5: Solve for x
    x = 228,282,025,856.46/545,160.44
  6. Step 6: Final answer
    x = 418,742.83

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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.