Home / 472,423.73-709,045.05-247,942.76

Finding the Fourth Proportional to 472,423.73, 709,045.05 and 247,942.76

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Solution

The fourth proportional to 472,423.73, 709,045.05 and 247,942.76 is: 372,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,423.73 : 709,045.05 = 247,942.76 : x
  2. Step 2: Convert to fraction form
    472,423.73/709,045.05 = 247,942.76/x
  3. Step 3: Cross multiply
    472,423.73x = 709,045.05 × 247,942.76
  4. Step 4: Simplify right side
    472,423.73x = 175,802,586,661.34
  5. Step 5: Solve for x
    x = 175,802,586,661.34/472,423.73
  6. Step 6: Final answer
    x = 372,129.03

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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.