Home / 1,117,074.24-1,541,516.40-607,778.64

Finding the Fourth Proportional to 1,117,074.24, 1,541,516.40 and 607,778.64

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Solution

The fourth proportional to 1,117,074.24, 1,541,516.40 and 607,778.64 is: 838,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,074.24 : 1,541,516.40 = 607,778.64 : x
  2. Step 2: Convert to fraction form
    1,117,074.24/1,541,516.40 = 607,778.64/x
  3. Step 3: Cross multiply
    1,117,074.24x = 1,541,516.40 × 607,778.64
  4. Step 4: Simplify right side
    1,117,074.24x = 936,900,741,129.70
  5. Step 5: Solve for x
    x = 936,900,741,129.70/1,117,074.24
  6. Step 6: Final answer
    x = 838,709.47

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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.