Home / 495,401.40-742,582.62-242,332.56

Finding the Fourth Proportional to 495,401.40, 742,582.62 and 242,332.56

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Solution

The fourth proportional to 495,401.40, 742,582.62 and 242,332.56 is: 363,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,401.40 : 742,582.62 = 242,332.56 : x
  2. Step 2: Convert to fraction form
    495,401.40/742,582.62 = 242,332.56/x
  3. Step 3: Cross multiply
    495,401.40x = 742,582.62 × 242,332.56
  4. Step 4: Simplify right side
    495,401.40x = 179,951,947,316.11
  5. Step 5: Solve for x
    x = 179,951,947,316.11/495,401.40
  6. Step 6: Final answer
    x = 363,244.73

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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.