Home / 1,679,784.64-2,519,686.22-417,612.28

Finding the Fourth Proportional to 1,679,784.64, 2,519,686.22 and 417,612.28

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Solution

The fourth proportional to 1,679,784.64, 2,519,686.22 and 417,612.28 is: 626,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,784.64 : 2,519,686.22 = 417,612.28 : x
  2. Step 2: Convert to fraction form
    1,679,784.64/2,519,686.22 = 417,612.28/x
  3. Step 3: Cross multiply
    1,679,784.64x = 2,519,686.22 × 417,612.28
  4. Step 4: Simplify right side
    1,679,784.64x = 1,052,251,907,218.78
  5. Step 5: Solve for x
    x = 1,052,251,907,218.78/1,679,784.64
  6. Step 6: Final answer
    x = 626,420.72

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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.