Home / 1,187,753.76-1,639,029.60-704,364.48

Finding the Fourth Proportional to 1,187,753.76, 1,639,029.60 and 704,364.48

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Solution

The fourth proportional to 1,187,753.76, 1,639,029.60 and 704,364.48 is: 971,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,753.76 : 1,639,029.60 = 704,364.48 : x
  2. Step 2: Convert to fraction form
    1,187,753.76/1,639,029.60 = 704,364.48/x
  3. Step 3: Cross multiply
    1,187,753.76x = 1,639,029.60 × 704,364.48
  4. Step 4: Simplify right side
    1,187,753.76x = 1,154,474,231,908.61
  5. Step 5: Solve for x
    x = 1,154,474,231,908.61/1,187,753.76
  6. Step 6: Final answer
    x = 971,981.12

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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.