Home / 1,217,568.24-1,679,863.32-734,281.20

Finding the Fourth Proportional to 1,217,568.24, 1,679,863.32 and 734,281.20

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Solution

The fourth proportional to 1,217,568.24, 1,679,863.32 and 734,281.20 is: 1,013,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,568.24 : 1,679,863.32 = 734,281.20 : x
  2. Step 2: Convert to fraction form
    1,217,568.24/1,679,863.32 = 734,281.20/x
  3. Step 3: Cross multiply
    1,217,568.24x = 1,679,863.32 × 734,281.20
  4. Step 4: Simplify right side
    1,217,568.24x = 1,233,492,054,445.58
  5. Step 5: Solve for x
    x = 1,233,492,054,445.58/1,217,568.24
  6. Step 6: Final answer
    x = 1,013,078.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.