Home / 1,185,640.43-1,778,509.85-344,192.18

Finding the Fourth Proportional to 1,185,640.43, 1,778,509.85 and 344,192.18

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Solution

The fourth proportional to 1,185,640.43, 1,778,509.85 and 344,192.18 is: 516,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,640.43 : 1,778,509.85 = 344,192.18 : x
  2. Step 2: Convert to fraction form
    1,185,640.43/1,778,509.85 = 344,192.18/x
  3. Step 3: Cross multiply
    1,185,640.43x = 1,778,509.85 × 344,192.18
  4. Step 4: Simplify right side
    1,185,640.43x = 612,149,171,809.46
  5. Step 5: Solve for x
    x = 612,149,171,809.46/1,185,640.43
  6. Step 6: Final answer
    x = 516,302.55

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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.