Home / 1,366,509.39-1,885,783.12-762,897.39

Finding the Fourth Proportional to 1,366,509.39, 1,885,783.12 and 762,897.39

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Solution

The fourth proportional to 1,366,509.39, 1,885,783.12 and 762,897.39 is: 1,052,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,509.39 : 1,885,783.12 = 762,897.39 : x
  2. Step 2: Convert to fraction form
    1,366,509.39/1,885,783.12 = 762,897.39/x
  3. Step 3: Cross multiply
    1,366,509.39x = 1,885,783.12 × 762,897.39
  4. Step 4: Simplify right side
    1,366,509.39x = 1,438,659,015,666.42
  5. Step 5: Solve for x
    x = 1,438,659,015,666.42/1,366,509.39
  6. Step 6: Final answer
    x = 1,052,798.49

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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.