Home / 1,185,620.63-1,778,713.88-386,903.66

Finding the Fourth Proportional to 1,185,620.63, 1,778,713.88 and 386,903.66

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Solution

The fourth proportional to 1,185,620.63, 1,778,713.88 and 386,903.66 is: 580,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,620.63 : 1,778,713.88 = 386,903.66 : x
  2. Step 2: Convert to fraction form
    1,185,620.63/1,778,713.88 = 386,903.66/x
  3. Step 3: Cross multiply
    1,185,620.63x = 1,778,713.88 × 386,903.66
  4. Step 4: Simplify right side
    1,185,620.63x = 688,190,912,777.07
  5. Step 5: Solve for x
    x = 688,190,912,777.07/1,185,620.63
  6. Step 6: Final answer
    x = 580,447.82

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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.