Home / 415,834.16-623,818.44-162,977.45

Finding the Fourth Proportional to 415,834.16, 623,818.44 and 162,977.45

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Solution

The fourth proportional to 415,834.16, 623,818.44 and 162,977.45 is: 244,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,834.16 : 623,818.44 = 162,977.45 : x
  2. Step 2: Convert to fraction form
    415,834.16/623,818.44 = 162,977.45/x
  3. Step 3: Cross multiply
    415,834.16x = 623,818.44 × 162,977.45
  4. Step 4: Simplify right side
    415,834.16x = 101,668,335,495.09
  5. Step 5: Solve for x
    x = 101,668,335,495.09/415,834.16
  6. Step 6: Final answer
    x = 244,492.51

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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.