Home / 1,051,405.94-1,577,108.95-331,820.57

Finding the Fourth Proportional to 1,051,405.94, 1,577,108.95 and 331,820.57

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Solution

The fourth proportional to 1,051,405.94, 1,577,108.95 and 331,820.57 is: 497,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,405.94 : 1,577,108.95 = 331,820.57 : x
  2. Step 2: Convert to fraction form
    1,051,405.94/1,577,108.95 = 331,820.57/x
  3. Step 3: Cross multiply
    1,051,405.94x = 1,577,108.95 × 331,820.57
  4. Step 4: Simplify right side
    1,051,405.94x = 523,317,193,854.32
  5. Step 5: Solve for x
    x = 523,317,193,854.32/1,051,405.94
  6. Step 6: Final answer
    x = 497,730.87

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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.