Home / 657,665.04-986,575.32-208,406.64

Finding the Fourth Proportional to 657,665.04, 986,575.32 and 208,406.64

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Solution

The fourth proportional to 657,665.04, 986,575.32 and 208,406.64 is: 312,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,665.04 : 986,575.32 = 208,406.64 : x
  2. Step 2: Convert to fraction form
    657,665.04/986,575.32 = 208,406.64/x
  3. Step 3: Cross multiply
    657,665.04x = 986,575.32 × 208,406.64
  4. Step 4: Simplify right side
    657,665.04x = 205,608,847,548.13
  5. Step 5: Solve for x
    x = 205,608,847,548.13/657,665.04
  6. Step 6: Final answer
    x = 312,634.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.