Home / 790,487.16-1,090,135.36-731,773.48

Finding the Fourth Proportional to 790,487.16, 1,090,135.36 and 731,773.48

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Solution

The fourth proportional to 790,487.16, 1,090,135.36 and 731,773.48 is: 1,009,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,487.16 : 1,090,135.36 = 731,773.48 : x
  2. Step 2: Convert to fraction form
    790,487.16/1,090,135.36 = 731,773.48/x
  3. Step 3: Cross multiply
    790,487.16x = 1,090,135.36 × 731,773.48
  4. Step 4: Simplify right side
    790,487.16x = 797,732,146,058.25
  5. Step 5: Solve for x
    x = 797,732,146,058.25/790,487.16
  6. Step 6: Final answer
    x = 1,009,165.22

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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.