Home / 1,121,523.11-1,547,494.83-638,060.03

Finding the Fourth Proportional to 1,121,523.11, 1,547,494.83 and 638,060.03

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Solution

The fourth proportional to 1,121,523.11, 1,547,494.83 and 638,060.03 is: 880,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,523.11 : 1,547,494.83 = 638,060.03 : x
  2. Step 2: Convert to fraction form
    1,121,523.11/1,547,494.83 = 638,060.03/x
  3. Step 3: Cross multiply
    1,121,523.11x = 1,547,494.83 × 638,060.03
  4. Step 4: Simplify right side
    1,121,523.11x = 987,394,597,654.65
  5. Step 5: Solve for x
    x = 987,394,597,654.65/1,121,523.11
  6. Step 6: Final answer
    x = 880,405.04

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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.