Home / 439,801.10-606,895.80-243,553.48

Finding the Fourth Proportional to 439,801.10, 606,895.80 and 243,553.48

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Solution

The fourth proportional to 439,801.10, 606,895.80 and 243,553.48 is: 336,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,801.10 : 606,895.80 = 243,553.48 : x
  2. Step 2: Convert to fraction form
    439,801.10/606,895.80 = 243,553.48/x
  3. Step 3: Cross multiply
    439,801.10x = 606,895.80 × 243,553.48
  4. Step 4: Simplify right side
    439,801.10x = 147,811,584,087.38
  5. Step 5: Solve for x
    x = 147,811,584,087.38/439,801.10
  6. Step 6: Final answer
    x = 336,087.35

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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.