Home / 1,185,274.92-1,778,195.34-386,557.24

Finding the Fourth Proportional to 1,185,274.92, 1,778,195.34 and 386,557.24

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Solution

The fourth proportional to 1,185,274.92, 1,778,195.34 and 386,557.24 is: 579,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,274.92 : 1,778,195.34 = 386,557.24 : x
  2. Step 2: Convert to fraction form
    1,185,274.92/1,778,195.34 = 386,557.24/x
  3. Step 3: Cross multiply
    1,185,274.92x = 1,778,195.34 × 386,557.24
  4. Step 4: Simplify right side
    1,185,274.92x = 687,374,282,811.26
  5. Step 5: Solve for x
    x = 687,374,282,811.26/1,185,274.92
  6. Step 6: Final answer
    x = 579,928.14

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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.