Home / 1,087,425.40-1,500,041.82-1,010,449.48

Finding the Fourth Proportional to 1,087,425.40, 1,500,041.82 and 1,010,449.48

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Solution

The fourth proportional to 1,087,425.40, 1,500,041.82 and 1,010,449.48 is: 1,393,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,425.40 : 1,500,041.82 = 1,010,449.48 : x
  2. Step 2: Convert to fraction form
    1,087,425.40/1,500,041.82 = 1,010,449.48/x
  3. Step 3: Cross multiply
    1,087,425.40x = 1,500,041.82 × 1,010,449.48
  4. Step 4: Simplify right side
    1,087,425.40x = 1,515,716,476,997.25
  5. Step 5: Solve for x
    x = 1,515,716,476,997.25/1,087,425.40
  6. Step 6: Final answer
    x = 1,393,857.89

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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.