Home / 385,264.49-577,650.69-185,186.79

Finding the Fourth Proportional to 385,264.49, 577,650.69 and 185,186.79

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Solution

The fourth proportional to 385,264.49, 577,650.69 and 185,186.79 is: 277,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,264.49 : 577,650.69 = 185,186.79 : x
  2. Step 2: Convert to fraction form
    385,264.49/577,650.69 = 185,186.79/x
  3. Step 3: Cross multiply
    385,264.49x = 577,650.69 × 185,186.79
  4. Step 4: Simplify right side
    385,264.49x = 106,973,277,022.39
  5. Step 5: Solve for x
    x = 106,973,277,022.39/385,264.49
  6. Step 6: Final answer
    x = 277,661.92

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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.