Home / 411,439.37-616,999.50-141,516.19

Finding the Fourth Proportional to 411,439.37, 616,999.50 and 141,516.19

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Solution

The fourth proportional to 411,439.37, 616,999.50 and 141,516.19 is: 212,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,439.37 : 616,999.50 = 141,516.19 : x
  2. Step 2: Convert to fraction form
    411,439.37/616,999.50 = 141,516.19/x
  3. Step 3: Cross multiply
    411,439.37x = 616,999.50 × 141,516.19
  4. Step 4: Simplify right side
    411,439.37x = 87,315,415,386.91
  5. Step 5: Solve for x
    x = 87,315,415,386.91/411,439.37
  6. Step 6: Final answer
    x = 212,219.40

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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.