Home / 885,518.13-1,328,445.58-613,113.10

Finding the Fourth Proportional to 885,518.13, 1,328,445.58 and 613,113.10

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Solution

The fourth proportional to 885,518.13, 1,328,445.58 and 613,113.10 is: 919,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,518.13 : 1,328,445.58 = 613,113.10 : x
  2. Step 2: Convert to fraction form
    885,518.13/1,328,445.58 = 613,113.10/x
  3. Step 3: Cross multiply
    885,518.13x = 1,328,445.58 × 613,113.10
  4. Step 4: Simplify right side
    885,518.13x = 814,487,387,735.10
  5. Step 5: Solve for x
    x = 814,487,387,735.10/885,518.13
  6. Step 6: Final answer
    x = 919,786.24

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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.