Home / 957,530.48-1,321,391.72-527,817.78

Finding the Fourth Proportional to 957,530.48, 1,321,391.72 and 527,817.78

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Solution

The fourth proportional to 957,530.48, 1,321,391.72 and 527,817.78 is: 728,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,530.48 : 1,321,391.72 = 527,817.78 : x
  2. Step 2: Convert to fraction form
    957,530.48/1,321,391.72 = 527,817.78/x
  3. Step 3: Cross multiply
    957,530.48x = 1,321,391.72 × 527,817.78
  4. Step 4: Simplify right side
    957,530.48x = 697,454,041,521.69
  5. Step 5: Solve for x
    x = 697,454,041,521.69/957,530.48
  6. Step 6: Final answer
    x = 728,388.35

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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.