Home / 957,389.83-1,321,206-527,671.06

Finding the Fourth Proportional to 957,389.83, 1,321,206 and 527,671.06

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Solution

The fourth proportional to 957,389.83, 1,321,206 and 527,671.06 is: 728,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,389.83 : 1,321,206 = 527,671.06 : x
  2. Step 2: Convert to fraction form
    957,389.83/1,321,206 = 527,671.06/x
  3. Step 3: Cross multiply
    957,389.83x = 1,321,206 × 527,671.06
  4. Step 4: Simplify right side
    957,389.83x = 697,162,170,498.36
  5. Step 5: Solve for x
    x = 697,162,170,498.36/957,389.83
  6. Step 6: Final answer
    x = 728,190.49

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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.