Home / 453,623.06-625,999.10-281,477

Finding the Fourth Proportional to 453,623.06, 625,999.10 and 281,477

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Solution

The fourth proportional to 453,623.06, 625,999.10 and 281,477 is: 388,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,623.06 : 625,999.10 = 281,477 : x
  2. Step 2: Convert to fraction form
    453,623.06/625,999.10 = 281,477/x
  3. Step 3: Cross multiply
    453,623.06x = 625,999.10 × 281,477
  4. Step 4: Simplify right side
    453,623.06x = 176,204,348,670.70
  5. Step 5: Solve for x
    x = 176,204,348,670.70/453,623.06
  6. Step 6: Final answer
    x = 388,437.81

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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.