Home / 1,227,051.16-1,689,575.08-1,223,508.22

Finding the Fourth Proportional to 1,227,051.16, 1,689,575.08 and 1,223,508.22

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Solution

The fourth proportional to 1,227,051.16, 1,689,575.08 and 1,223,508.22 is: 1,684,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,051.16 : 1,689,575.08 = 1,223,508.22 : x
  2. Step 2: Convert to fraction form
    1,227,051.16/1,689,575.08 = 1,223,508.22/x
  3. Step 3: Cross multiply
    1,227,051.16x = 1,689,575.08 × 1,223,508.22
  4. Step 4: Simplify right side
    1,227,051.16x = 2,067,208,984,121.74
  5. Step 5: Solve for x
    x = 2,067,208,984,121.74/1,227,051.16
  6. Step 6: Final answer
    x = 1,684,696.66

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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.