Home / 385,454.14-577,934.57-185,376.04

Finding the Fourth Proportional to 385,454.14, 577,934.57 and 185,376.04

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Solution

The fourth proportional to 385,454.14, 577,934.57 and 185,376.04 is: 277,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,454.14 : 577,934.57 = 185,376.04 : x
  2. Step 2: Convert to fraction form
    385,454.14/577,934.57 = 185,376.04/x
  3. Step 3: Cross multiply
    385,454.14x = 577,934.57 × 185,376.04
  4. Step 4: Simplify right side
    385,454.14x = 107,135,221,038.82
  5. Step 5: Solve for x
    x = 107,135,221,038.82/385,454.14
  6. Step 6: Final answer
    x = 277,945.44

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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.