Home / 1,245,653.53-1,719,001.86-672,693.67

Finding the Fourth Proportional to 1,245,653.53, 1,719,001.86 and 672,693.67

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Solution

The fourth proportional to 1,245,653.53, 1,719,001.86 and 672,693.67 is: 928,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,653.53 : 1,719,001.86 = 672,693.67 : x
  2. Step 2: Convert to fraction form
    1,245,653.53/1,719,001.86 = 672,693.67/x
  3. Step 3: Cross multiply
    1,245,653.53x = 1,719,001.86 × 672,693.67
  4. Step 4: Simplify right side
    1,245,653.53x = 1,156,361,661,345.22
  5. Step 5: Solve for x
    x = 1,156,361,661,345.22/1,245,653.53
  6. Step 6: Final answer
    x = 928,317.26

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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.