Home / 988,095.65-1,480,999.55-454,496.81

Finding the Fourth Proportional to 988,095.65, 1,480,999.55 and 454,496.81

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Solution

The fourth proportional to 988,095.65, 1,480,999.55 and 454,496.81 is: 681,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,095.65 : 1,480,999.55 = 454,496.81 : x
  2. Step 2: Convert to fraction form
    988,095.65/1,480,999.55 = 454,496.81/x
  3. Step 3: Cross multiply
    988,095.65x = 1,480,999.55 × 454,496.81
  4. Step 4: Simplify right side
    988,095.65x = 673,109,561,408.95
  5. Step 5: Solve for x
    x = 673,109,561,408.95/988,095.65
  6. Step 6: Final answer
    x = 681,219.03

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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.