Home / 957,392.06-1,321,210.24-527,688.68

Finding the Fourth Proportional to 957,392.06, 1,321,210.24 and 527,688.68

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Solution

The fourth proportional to 957,392.06, 1,321,210.24 and 527,688.68 is: 728,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,392.06 : 1,321,210.24 = 527,688.68 : x
  2. Step 2: Convert to fraction form
    957,392.06/1,321,210.24 = 527,688.68/x
  3. Step 3: Cross multiply
    957,392.06x = 1,321,210.24 × 527,688.68
  4. Step 4: Simplify right side
    957,392.06x = 697,187,679,622.81
  5. Step 5: Solve for x
    x = 697,187,679,622.81/957,392.06
  6. Step 6: Final answer
    x = 728,215.44

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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.