Home / 545,513.92-817,890.57-241,742.66

Finding the Fourth Proportional to 545,513.92, 817,890.57 and 241,742.66

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Solution

The fourth proportional to 545,513.92, 817,890.57 and 241,742.66 is: 362,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,513.92 : 817,890.57 = 241,742.66 : x
  2. Step 2: Convert to fraction form
    545,513.92/817,890.57 = 241,742.66/x
  3. Step 3: Cross multiply
    545,513.92x = 817,890.57 × 241,742.66
  4. Step 4: Simplify right side
    545,513.92x = 197,719,041,980.72
  5. Step 5: Solve for x
    x = 197,719,041,980.72/545,513.92
  6. Step 6: Final answer
    x = 362,445.46

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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.