Home / 813,436.47-1,219,908.33-244,666.55

Finding the Fourth Proportional to 813,436.47, 1,219,908.33 and 244,666.55

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Solution

The fourth proportional to 813,436.47, 1,219,908.33 and 244,666.55 is: 366,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,436.47 : 1,219,908.33 = 244,666.55 : x
  2. Step 2: Convert to fraction form
    813,436.47/1,219,908.33 = 244,666.55/x
  3. Step 3: Cross multiply
    813,436.47x = 1,219,908.33 × 244,666.55
  4. Step 4: Simplify right side
    813,436.47x = 298,470,765,467.13
  5. Step 5: Solve for x
    x = 298,470,765,467.13/813,436.47
  6. Step 6: Final answer
    x = 366,925.72

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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.