Home / 1,216,385.94-1,678,583.01-672,507.72

Finding the Fourth Proportional to 1,216,385.94, 1,678,583.01 and 672,507.72

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Solution

The fourth proportional to 1,216,385.94, 1,678,583.01 and 672,507.72 is: 928,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,385.94 : 1,678,583.01 = 672,507.72 : x
  2. Step 2: Convert to fraction form
    1,216,385.94/1,678,583.01 = 672,507.72/x
  3. Step 3: Cross multiply
    1,216,385.94x = 1,678,583.01 × 672,507.72
  4. Step 4: Simplify right side
    1,216,385.94x = 1,128,860,032,885.84
  5. Step 5: Solve for x
    x = 1,128,860,032,885.84/1,216,385.94
  6. Step 6: Final answer
    x = 928,044.30

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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.