Home / 476,486-657,546.04-261,624.16

Finding the Fourth Proportional to 476,486, 657,546.04 and 261,624.16

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Solution

The fourth proportional to 476,486, 657,546.04 and 261,624.16 is: 361,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,486 : 657,546.04 = 261,624.16 : x
  2. Step 2: Convert to fraction form
    476,486/657,546.04 = 261,624.16/x
  3. Step 3: Cross multiply
    476,486x = 657,546.04 × 261,624.16
  4. Step 4: Simplify right side
    476,486x = 172,029,930,376.33
  5. Step 5: Solve for x
    x = 172,029,930,376.33/476,486
  6. Step 6: Final answer
    x = 361,038.79

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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.