Home / 957,072.39-1,319,872.48-698,540.10

Finding the Fourth Proportional to 957,072.39, 1,319,872.48 and 698,540.10

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Solution

The fourth proportional to 957,072.39, 1,319,872.48 and 698,540.10 is: 963,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,072.39 : 1,319,872.48 = 698,540.10 : x
  2. Step 2: Convert to fraction form
    957,072.39/1,319,872.48 = 698,540.10/x
  3. Step 3: Cross multiply
    957,072.39x = 1,319,872.48 × 698,540.10
  4. Step 4: Simplify right side
    957,072.39x = 921,983,854,166.45
  5. Step 5: Solve for x
    x = 921,983,854,166.45/957,072.39
  6. Step 6: Final answer
    x = 963,337.64

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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.