Home / 1,403,690.85-2,105,536.28-1,226,543.85

Finding the Fourth Proportional to 1,403,690.85, 2,105,536.28 and 1,226,543.85

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Solution

The fourth proportional to 1,403,690.85, 2,105,536.28 and 1,226,543.85 is: 1,839,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,690.85 : 2,105,536.28 = 1,226,543.85 : x
  2. Step 2: Convert to fraction form
    1,403,690.85/2,105,536.28 = 1,226,543.85/x
  3. Step 3: Cross multiply
    1,403,690.85x = 2,105,536.28 × 1,226,543.85
  4. Step 4: Simplify right side
    1,403,690.85x = 2,582,532,569,053.16
  5. Step 5: Solve for x
    x = 2,582,532,569,053.16/1,403,690.85
  6. Step 6: Final answer
    x = 1,839,815.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.