Home / 443,820.38-612,482.91-269,392.58

Finding the Fourth Proportional to 443,820.38, 612,482.91 and 269,392.58

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Solution

The fourth proportional to 443,820.38, 612,482.91 and 269,392.58 is: 371,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,820.38 : 612,482.91 = 269,392.58 : x
  2. Step 2: Convert to fraction form
    443,820.38/612,482.91 = 269,392.58/x
  3. Step 3: Cross multiply
    443,820.38x = 612,482.91 × 269,392.58
  4. Step 4: Simplify right side
    443,820.38x = 164,998,351,330.81
  5. Step 5: Solve for x
    x = 164,998,351,330.81/443,820.38
  6. Step 6: Final answer
    x = 371,768.31

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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.