Home / 910,722.30-1,364,917.05-699,312.30

Finding the Fourth Proportional to 910,722.30, 1,364,917.05 and 699,312.30

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Solution

The fourth proportional to 910,722.30, 1,364,917.05 and 699,312.30 is: 1,048,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,722.30 : 1,364,917.05 = 699,312.30 : x
  2. Step 2: Convert to fraction form
    910,722.30/1,364,917.05 = 699,312.30/x
  3. Step 3: Cross multiply
    910,722.30x = 1,364,917.05 × 699,312.30
  4. Step 4: Simplify right side
    910,722.30x = 954,503,281,544.72
  5. Step 5: Solve for x
    x = 954,503,281,544.72/910,722.30
  6. Step 6: Final answer
    x = 1,048,072.81

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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.