Home / 715,273.20-986,666.37-446,534.64

Finding the Fourth Proportional to 715,273.20, 986,666.37 and 446,534.64

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Solution

The fourth proportional to 715,273.20, 986,666.37 and 446,534.64 is: 615,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,273.20 : 986,666.37 = 446,534.64 : x
  2. Step 2: Convert to fraction form
    715,273.20/986,666.37 = 446,534.64/x
  3. Step 3: Cross multiply
    715,273.20x = 986,666.37 × 446,534.64
  4. Step 4: Simplify right side
    715,273.20x = 440,580,712,328.06
  5. Step 5: Solve for x
    x = 440,580,712,328.06/715,273.20
  6. Step 6: Final answer
    x = 615,961.44

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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.