Home / 1,173,014.38-1,756,505.76-812,672.20

Finding the Fourth Proportional to 1,173,014.38, 1,756,505.76 and 812,672.20

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Solution

The fourth proportional to 1,173,014.38, 1,756,505.76 and 812,672.20 is: 1,216,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,014.38 : 1,756,505.76 = 812,672.20 : x
  2. Step 2: Convert to fraction form
    1,173,014.38/1,756,505.76 = 812,672.20/x
  3. Step 3: Cross multiply
    1,173,014.38x = 1,756,505.76 × 812,672.20
  4. Step 4: Simplify right side
    1,173,014.38x = 1,427,463,400,291.87
  5. Step 5: Solve for x
    x = 1,427,463,400,291.87/1,173,014.38
  6. Step 6: Final answer
    x = 1,216,918.93

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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.