Home / 1,417,518.96-1,956,105.30-805,590.90

Finding the Fourth Proportional to 1,417,518.96, 1,956,105.30 and 805,590.90

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Solution

The fourth proportional to 1,417,518.96, 1,956,105.30 and 805,590.90 is: 1,111,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,518.96 : 1,956,105.30 = 805,590.90 : x
  2. Step 2: Convert to fraction form
    1,417,518.96/1,956,105.30 = 805,590.90/x
  3. Step 3: Cross multiply
    1,417,518.96x = 1,956,105.30 × 805,590.90
  4. Step 4: Simplify right side
    1,417,518.96x = 1,575,820,629,121.77
  5. Step 5: Solve for x
    x = 1,575,820,629,121.77/1,417,518.96
  6. Step 6: Final answer
    x = 1,111,675.17

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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.