Home / 895,789.89-1,236,190.05-493,381.89

Finding the Fourth Proportional to 895,789.89, 1,236,190.05 and 493,381.89

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Solution

The fourth proportional to 895,789.89, 1,236,190.05 and 493,381.89 is: 680,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,789.89 : 1,236,190.05 = 493,381.89 : x
  2. Step 2: Convert to fraction form
    895,789.89/1,236,190.05 = 493,381.89/x
  3. Step 3: Cross multiply
    895,789.89x = 1,236,190.05 × 493,381.89
  4. Step 4: Simplify right side
    895,789.89x = 609,913,783,268.20
  5. Step 5: Solve for x
    x = 609,913,783,268.20/895,789.89
  6. Step 6: Final answer
    x = 680,867.01

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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.