Home / 1,445,994.94-2,166,861.08-805,416.86

Finding the Fourth Proportional to 1,445,994.94, 2,166,861.08 and 805,416.86

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Solution

The fourth proportional to 1,445,994.94, 2,166,861.08 and 805,416.86 is: 1,206,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,994.94 : 2,166,861.08 = 805,416.86 : x
  2. Step 2: Convert to fraction form
    1,445,994.94/2,166,861.08 = 805,416.86/x
  3. Step 3: Cross multiply
    1,445,994.94x = 2,166,861.08 × 805,416.86
  4. Step 4: Simplify right side
    1,445,994.94x = 1,745,226,447,109.81
  5. Step 5: Solve for x
    x = 1,745,226,447,109.81/1,445,994.94
  6. Step 6: Final answer
    x = 1,206,938.14

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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.