Home / 1,116,287.22-1,672,505.01-611,211.72

Finding the Fourth Proportional to 1,116,287.22, 1,672,505.01 and 611,211.72

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Solution

The fourth proportional to 1,116,287.22, 1,672,505.01 and 611,211.72 is: 915,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,287.22 : 1,672,505.01 = 611,211.72 : x
  2. Step 2: Convert to fraction form
    1,116,287.22/1,672,505.01 = 611,211.72/x
  3. Step 3: Cross multiply
    1,116,287.22x = 1,672,505.01 × 611,211.72
  4. Step 4: Simplify right side
    1,116,287.22x = 1,022,254,663,870.72
  5. Step 5: Solve for x
    x = 1,022,254,663,870.72/1,116,287.22
  6. Step 6: Final answer
    x = 915,763.12

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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.