Home / 1,083,618.51-1,496,398.76-811,213.48

Finding the Fourth Proportional to 1,083,618.51, 1,496,398.76 and 811,213.48

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Solution

The fourth proportional to 1,083,618.51, 1,496,398.76 and 811,213.48 is: 1,120,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,618.51 : 1,496,398.76 = 811,213.48 : x
  2. Step 2: Convert to fraction form
    1,083,618.51/1,496,398.76 = 811,213.48/x
  3. Step 3: Cross multiply
    1,083,618.51x = 1,496,398.76 × 811,213.48
  4. Step 4: Simplify right side
    1,083,618.51x = 1,213,898,846,423.77
  5. Step 5: Solve for x
    x = 1,213,898,846,423.77/1,083,618.51
  6. Step 6: Final answer
    x = 1,120,227.13

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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.