Home / 583,849.25-804,996.11-480,120.95

Finding the Fourth Proportional to 583,849.25, 804,996.11 and 480,120.95

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Solution

The fourth proportional to 583,849.25, 804,996.11 and 480,120.95 is: 661,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,849.25 : 804,996.11 = 480,120.95 : x
  2. Step 2: Convert to fraction form
    583,849.25/804,996.11 = 480,120.95/x
  3. Step 3: Cross multiply
    583,849.25x = 804,996.11 × 480,120.95
  4. Step 4: Simplify right side
    583,849.25x = 386,495,490,653.92
  5. Step 5: Solve for x
    x = 386,495,490,653.92/583,849.25
  6. Step 6: Final answer
    x = 661,978.23

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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.