Home / 535,481.35-804,534.23-402,621.10

Finding the Fourth Proportional to 535,481.35, 804,534.23 and 402,621.10

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Solution

The fourth proportional to 535,481.35, 804,534.23 and 402,621.10 is: 604,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,481.35 : 804,534.23 = 402,621.10 : x
  2. Step 2: Convert to fraction form
    535,481.35/804,534.23 = 402,621.10/x
  3. Step 3: Cross multiply
    535,481.35x = 804,534.23 × 402,621.10
  4. Step 4: Simplify right side
    535,481.35x = 323,922,456,670.25
  5. Step 5: Solve for x
    x = 323,922,456,670.25/535,481.35
  6. Step 6: Final answer
    x = 604,918.28

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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.