Home / 1,245,701.69-1,719,068.23-672,741.78

Finding the Fourth Proportional to 1,245,701.69, 1,719,068.23 and 672,741.78

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Solution

The fourth proportional to 1,245,701.69, 1,719,068.23 and 672,741.78 is: 928,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,701.69 : 1,719,068.23 = 672,741.78 : x
  2. Step 2: Convert to fraction form
    1,245,701.69/1,719,068.23 = 672,741.78/x
  3. Step 3: Cross multiply
    1,245,701.69x = 1,719,068.23 × 672,741.78
  4. Step 4: Simplify right side
    1,245,701.69x = 1,156,489,020,991.65
  5. Step 5: Solve for x
    x = 1,156,489,020,991.65/1,245,701.69
  6. Step 6: Final answer
    x = 928,383.60

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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.