Home / 969,862.05-1,454,703.32-457,409.69

Finding the Fourth Proportional to 969,862.05, 1,454,703.32 and 457,409.69

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Solution

The fourth proportional to 969,862.05, 1,454,703.32 and 457,409.69 is: 686,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,862.05 : 1,454,703.32 = 457,409.69 : x
  2. Step 2: Convert to fraction form
    969,862.05/1,454,703.32 = 457,409.69/x
  3. Step 3: Cross multiply
    969,862.05x = 1,454,703.32 × 457,409.69
  4. Step 4: Simplify right side
    969,862.05x = 665,395,385,082.61
  5. Step 5: Solve for x
    x = 665,395,385,082.61/969,862.05
  6. Step 6: Final answer
    x = 686,072.19

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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.