Home / 1,187,936-1,639,352-651,403.52

Finding the Fourth Proportional to 1,187,936, 1,639,352 and 651,403.52

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Solution

The fourth proportional to 1,187,936, 1,639,352 and 651,403.52 is: 898,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,936 : 1,639,352 = 651,403.52 : x
  2. Step 2: Convert to fraction form
    1,187,936/1,639,352 = 651,403.52/x
  3. Step 3: Cross multiply
    1,187,936x = 1,639,352 × 651,403.52
  4. Step 4: Simplify right side
    1,187,936x = 1,067,879,663,319.04
  5. Step 5: Solve for x
    x = 1,067,879,663,319.04/1,187,936
  6. Step 6: Final answer
    x = 898,937.03

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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.