Home / 384,946.30-577,419.45-243,228.70

Finding the Fourth Proportional to 384,946.30, 577,419.45 and 243,228.70

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Solution

The fourth proportional to 384,946.30, 577,419.45 and 243,228.70 is: 364,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,946.30 : 577,419.45 = 243,228.70 : x
  2. Step 2: Convert to fraction form
    384,946.30/577,419.45 = 243,228.70/x
  3. Step 3: Cross multiply
    384,946.30x = 577,419.45 × 243,228.70
  4. Step 4: Simplify right side
    384,946.30x = 140,444,982,178.22
  5. Step 5: Solve for x
    x = 140,444,982,178.22/384,946.30
  6. Step 6: Final answer
    x = 364,843.05

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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.