Home / 1,137,188.94-1,705,666.26-378,948.42

Finding the Fourth Proportional to 1,137,188.94, 1,705,666.26 and 378,948.42

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Solution

The fourth proportional to 1,137,188.94, 1,705,666.26 and 378,948.42 is: 568,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,188.94 : 1,705,666.26 = 378,948.42 : x
  2. Step 2: Convert to fraction form
    1,137,188.94/1,705,666.26 = 378,948.42/x
  3. Step 3: Cross multiply
    1,137,188.94x = 1,705,666.26 × 378,948.42
  4. Step 4: Simplify right side
    1,137,188.94x = 646,359,534,274.31
  5. Step 5: Solve for x
    x = 646,359,534,274.31/1,137,188.94
  6. Step 6: Final answer
    x = 568,383.59

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1.5x scale

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.