Home / 1,137,182.43-1,705,656.52-378,941.93

Finding the Fourth Proportional to 1,137,182.43, 1,705,656.52 and 378,941.93

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Solution

The fourth proportional to 1,137,182.43, 1,705,656.52 and 378,941.93 is: 568,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,182.43 : 1,705,656.52 = 378,941.93 : x
  2. Step 2: Convert to fraction form
    1,137,182.43/1,705,656.52 = 378,941.93/x
  3. Step 3: Cross multiply
    1,137,182.43x = 1,705,656.52 × 378,941.93
  4. Step 4: Simplify right side
    1,137,182.43x = 646,344,773,605.88
  5. Step 5: Solve for x
    x = 646,344,773,605.88/1,137,182.43
  6. Step 6: Final answer
    x = 568,373.87

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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.