Home / 1,314,150.30-1,971,225.45-866,252.70

Finding the Fourth Proportional to 1,314,150.30, 1,971,225.45 and 866,252.70

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Solution

The fourth proportional to 1,314,150.30, 1,971,225.45 and 866,252.70 is: 1,299,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,150.30 : 1,971,225.45 = 866,252.70 : x
  2. Step 2: Convert to fraction form
    1,314,150.30/1,971,225.45 = 866,252.70/x
  3. Step 3: Cross multiply
    1,314,150.30x = 1,971,225.45 × 866,252.70
  4. Step 4: Simplify right side
    1,314,150.30x = 1,707,579,368,371.22
  5. Step 5: Solve for x
    x = 1,707,579,368,371.22/1,314,150.30
  6. Step 6: Final answer
    x = 1,299,379.05

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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.