Home / 1,679,948.48-2,519,932.64-417,776.16

Finding the Fourth Proportional to 1,679,948.48, 2,519,932.64 and 417,776.16

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Solution

The fourth proportional to 1,679,948.48, 2,519,932.64 and 417,776.16 is: 626,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,948.48 : 2,519,932.64 = 417,776.16 : x
  2. Step 2: Convert to fraction form
    1,679,948.48/2,519,932.64 = 417,776.16/x
  3. Step 3: Cross multiply
    1,679,948.48x = 2,519,932.64 × 417,776.16
  4. Step 4: Simplify right side
    1,679,948.48x = 1,052,767,781,797.86
  5. Step 5: Solve for x
    x = 1,052,767,781,797.86/1,679,948.48
  6. Step 6: Final answer
    x = 626,666.71

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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.