Home / 478,664.02-660,543.33-263,804.01

Finding the Fourth Proportional to 478,664.02, 660,543.33 and 263,804.01

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Solution

The fourth proportional to 478,664.02, 660,543.33 and 263,804.01 is: 364,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,664.02 : 660,543.33 = 263,804.01 : x
  2. Step 2: Convert to fraction form
    478,664.02/660,543.33 = 263,804.01/x
  3. Step 3: Cross multiply
    478,664.02x = 660,543.33 × 263,804.01
  4. Step 4: Simplify right side
    478,664.02x = 174,253,979,232.75
  5. Step 5: Solve for x
    x = 174,253,979,232.75/478,664.02
  6. Step 6: Final answer
    x = 364,042.36

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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.