Home / 1,152,029.16-1,589,804.82-642,753

Finding the Fourth Proportional to 1,152,029.16, 1,589,804.82 and 642,753

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Solution

The fourth proportional to 1,152,029.16, 1,589,804.82 and 642,753 is: 887,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,029.16 : 1,589,804.82 = 642,753 : x
  2. Step 2: Convert to fraction form
    1,152,029.16/1,589,804.82 = 642,753/x
  3. Step 3: Cross multiply
    1,152,029.16x = 1,589,804.82 × 642,753
  4. Step 4: Simplify right side
    1,152,029.16x = 1,021,851,817,469.46
  5. Step 5: Solve for x
    x = 1,021,851,817,469.46/1,152,029.16
  6. Step 6: Final answer
    x = 887,001.69

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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.