Home / 1,129,458.09-1,693,689.80-530,589.45

Finding the Fourth Proportional to 1,129,458.09, 1,693,689.80 and 530,589.45

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Solution

The fourth proportional to 1,129,458.09, 1,693,689.80 and 530,589.45 is: 795,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,458.09 : 1,693,689.80 = 530,589.45 : x
  2. Step 2: Convert to fraction form
    1,129,458.09/1,693,689.80 = 530,589.45/x
  3. Step 3: Cross multiply
    1,129,458.09x = 1,693,689.80 × 530,589.45
  4. Step 4: Simplify right side
    1,129,458.09x = 898,653,936,799.66
  5. Step 5: Solve for x
    x = 898,653,936,799.66/1,129,458.09
  6. Step 6: Final answer
    x = 795,650.54

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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.