Home / 461,187.06-636,381.54-257,190.18

Finding the Fourth Proportional to 461,187.06, 636,381.54 and 257,190.18

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Solution

The fourth proportional to 461,187.06, 636,381.54 and 257,190.18 is: 354,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,187.06 : 636,381.54 = 257,190.18 : x
  2. Step 2: Convert to fraction form
    461,187.06/636,381.54 = 257,190.18/x
  3. Step 3: Cross multiply
    461,187.06x = 636,381.54 × 257,190.18
  4. Step 4: Simplify right side
    461,187.06x = 163,671,082,821.28
  5. Step 5: Solve for x
    x = 163,671,082,821.28/461,187.06
  6. Step 6: Final answer
    x = 354,890.88

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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.