Home / 476,590.42-658,281.09-356,269

Finding the Fourth Proportional to 476,590.42, 658,281.09 and 356,269

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Solution

The fourth proportional to 476,590.42, 658,281.09 and 356,269 is: 492,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,590.42 : 658,281.09 = 356,269 : x
  2. Step 2: Convert to fraction form
    476,590.42/658,281.09 = 356,269/x
  3. Step 3: Cross multiply
    476,590.42x = 658,281.09 × 356,269
  4. Step 4: Simplify right side
    476,590.42x = 234,525,145,653.21
  5. Step 5: Solve for x
    x = 234,525,145,653.21/476,590.42
  6. Step 6: Final answer
    x = 492,089.51

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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.