Home / 1,185,644.75-1,778,750.22-386,927.78

Finding the Fourth Proportional to 1,185,644.75, 1,778,750.22 and 386,927.78

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Solution

The fourth proportional to 1,185,644.75, 1,778,750.22 and 386,927.78 is: 580,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,644.75 : 1,778,750.22 = 386,927.78 : x
  2. Step 2: Convert to fraction form
    1,185,644.75/1,778,750.22 = 386,927.78/x
  3. Step 3: Cross multiply
    1,185,644.75x = 1,778,750.22 × 386,927.78
  4. Step 4: Simplify right side
    1,185,644.75x = 688,247,873,799.11
  5. Step 5: Solve for x
    x = 688,247,873,799.11/1,185,644.75
  6. Step 6: Final answer
    x = 580,484.06

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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.