Home / 885,983.24-1,224,256.20-630,891.56

Finding the Fourth Proportional to 885,983.24, 1,224,256.20 and 630,891.56

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Solution

The fourth proportional to 885,983.24, 1,224,256.20 and 630,891.56 is: 871,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,983.24 : 1,224,256.20 = 630,891.56 : x
  2. Step 2: Convert to fraction form
    885,983.24/1,224,256.20 = 630,891.56/x
  3. Step 3: Cross multiply
    885,983.24x = 1,224,256.20 × 630,891.56
  4. Step 4: Simplify right side
    885,983.24x = 772,372,903,857.67
  5. Step 5: Solve for x
    x = 772,372,903,857.67/885,983.24
  6. Step 6: Final answer
    x = 871,769.20

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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.