Home / 1,161,033.86-1,602,279.90-644,790.02

Finding the Fourth Proportional to 1,161,033.86, 1,602,279.90 and 644,790.02

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Solution

The fourth proportional to 1,161,033.86, 1,602,279.90 and 644,790.02 is: 889,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,033.86 : 1,602,279.90 = 644,790.02 : x
  2. Step 2: Convert to fraction form
    1,161,033.86/1,602,279.90 = 644,790.02/x
  3. Step 3: Cross multiply
    1,161,033.86x = 1,602,279.90 × 644,790.02
  4. Step 4: Simplify right side
    1,161,033.86x = 1,033,134,080,755.20
  5. Step 5: Solve for x
    x = 1,033,134,080,755.20/1,161,033.86
  6. Step 6: Final answer
    x = 889,839.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.