Home / 1,754,919.78-2,421,805.33-1,029,779.58

Finding the Fourth Proportional to 1,754,919.78, 2,421,805.33 and 1,029,779.58

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Solution

The fourth proportional to 1,754,919.78, 2,421,805.33 and 1,029,779.58 is: 1,421,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,919.78 : 2,421,805.33 = 1,029,779.58 : x
  2. Step 2: Convert to fraction form
    1,754,919.78/2,421,805.33 = 1,029,779.58/x
  3. Step 3: Cross multiply
    1,754,919.78x = 2,421,805.33 × 1,029,779.58
  4. Step 4: Simplify right side
    1,754,919.78x = 2,493,925,680,145.65
  5. Step 5: Solve for x
    x = 2,493,925,680,145.65/1,754,919.78
  6. Step 6: Final answer
    x = 1,421,105.23

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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.