Home / 1,227,051.66-1,689,575.77-1,223,508.72

Finding the Fourth Proportional to 1,227,051.66, 1,689,575.77 and 1,223,508.72

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Solution

The fourth proportional to 1,227,051.66, 1,689,575.77 and 1,223,508.72 is: 1,684,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,051.66 : 1,689,575.77 = 1,223,508.72 : x
  2. Step 2: Convert to fraction form
    1,227,051.66/1,689,575.77 = 1,223,508.72/x
  3. Step 3: Cross multiply
    1,227,051.66x = 1,689,575.77 × 1,223,508.72
  4. Step 4: Simplify right side
    1,227,051.66x = 2,067,210,673,130.29
  5. Step 5: Solve for x
    x = 2,067,210,673,130.29/1,227,051.66
  6. Step 6: Final answer
    x = 1,684,697.35

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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.