Home / 1,072,703.10-1,609,029.66-540,081.12

Finding the Fourth Proportional to 1,072,703.10, 1,609,029.66 and 540,081.12

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Solution

The fourth proportional to 1,072,703.10, 1,609,029.66 and 540,081.12 is: 810,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,703.10 : 1,609,029.66 = 540,081.12 : x
  2. Step 2: Convert to fraction form
    1,072,703.10/1,609,029.66 = 540,081.12/x
  3. Step 3: Cross multiply
    1,072,703.10x = 1,609,029.66 × 540,081.12
  4. Step 4: Simplify right side
    1,072,703.10x = 869,006,540,886.02
  5. Step 5: Solve for x
    x = 869,006,540,886.02/1,072,703.10
  6. Step 6: Final answer
    x = 810,109.10

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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.