Home / 1,323,416.12-1,985,123.65-376,786.84

Finding the Fourth Proportional to 1,323,416.12, 1,985,123.65 and 376,786.84

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Solution

The fourth proportional to 1,323,416.12, 1,985,123.65 and 376,786.84 is: 565,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,416.12 : 1,985,123.65 = 376,786.84 : x
  2. Step 2: Convert to fraction form
    1,323,416.12/1,985,123.65 = 376,786.84/x
  3. Step 3: Cross multiply
    1,323,416.12x = 1,985,123.65 × 376,786.84
  4. Step 4: Simplify right side
    1,323,416.12x = 747,968,465,616.57
  5. Step 5: Solve for x
    x = 747,968,465,616.57/1,323,416.12
  6. Step 6: Final answer
    x = 565,180.11

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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.