Home / 1,185,663.38-1,778,778.03-386,946.41

Finding the Fourth Proportional to 1,185,663.38, 1,778,778.03 and 386,946.41

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Solution

The fourth proportional to 1,185,663.38, 1,778,778.03 and 386,946.41 is: 580,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,663.38 : 1,778,778.03 = 386,946.41 : x
  2. Step 2: Convert to fraction form
    1,185,663.38/1,778,778.03 = 386,946.41/x
  3. Step 3: Cross multiply
    1,185,663.38x = 1,778,778.03 × 386,946.41
  4. Step 4: Simplify right side
    1,185,663.38x = 688,291,772,895.37
  5. Step 5: Solve for x
    x = 688,291,772,895.37/1,185,663.38
  6. Step 6: Final answer
    x = 580,511.96

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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.