Home / 885,728.70-1,328,593.05-862,400.70

Finding the Fourth Proportional to 885,728.70, 1,328,593.05 and 862,400.70

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Solution

The fourth proportional to 885,728.70, 1,328,593.05 and 862,400.70 is: 1,293,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,728.70 : 1,328,593.05 = 862,400.70 : x
  2. Step 2: Convert to fraction form
    885,728.70/1,328,593.05 = 862,400.70/x
  3. Step 3: Cross multiply
    885,728.70x = 1,328,593.05 × 862,400.70
  4. Step 4: Simplify right side
    885,728.70x = 1,145,779,576,335.14
  5. Step 5: Solve for x
    x = 1,145,779,576,335.14/885,728.70
  6. Step 6: Final answer
    x = 1,293,601.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.