Home / 1,496,993.12-2,065,826.40-817,915.04

Finding the Fourth Proportional to 1,496,993.12, 2,065,826.40 and 817,915.04

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Solution

The fourth proportional to 1,496,993.12, 2,065,826.40 and 817,915.04 is: 1,128,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,993.12 : 2,065,826.40 = 817,915.04 : x
  2. Step 2: Convert to fraction form
    1,496,993.12/2,065,826.40 = 817,915.04/x
  3. Step 3: Cross multiply
    1,496,993.12x = 2,065,826.40 × 817,915.04
  4. Step 4: Simplify right side
    1,496,993.12x = 1,689,670,482,589.06
  5. Step 5: Solve for x
    x = 1,689,670,482,589.06/1,496,993.12
  6. Step 6: Final answer
    x = 1,128,709.58

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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.