Home / 1,181,644.24-1,630,674.12-645,111.76

Finding the Fourth Proportional to 1,181,644.24, 1,630,674.12 and 645,111.76

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Solution

The fourth proportional to 1,181,644.24, 1,630,674.12 and 645,111.76 is: 890,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,644.24 : 1,630,674.12 = 645,111.76 : x
  2. Step 2: Convert to fraction form
    1,181,644.24/1,630,674.12 = 645,111.76/x
  3. Step 3: Cross multiply
    1,181,644.24x = 1,630,674.12 × 645,111.76
  4. Step 4: Simplify right side
    1,181,644.24x = 1,051,967,051,539.65
  5. Step 5: Solve for x
    x = 1,051,967,051,539.65/1,181,644.24
  6. Step 6: Final answer
    x = 890,257.00

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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.