Home / 957,285.30-1,321,047.18-527,565.72

Finding the Fourth Proportional to 957,285.30, 1,321,047.18 and 527,565.72

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Solution

The fourth proportional to 957,285.30, 1,321,047.18 and 527,565.72 is: 728,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,285.30 : 1,321,047.18 = 527,565.72 : x
  2. Step 2: Convert to fraction form
    957,285.30/1,321,047.18 = 527,565.72/x
  3. Step 3: Cross multiply
    957,285.30x = 1,321,047.18 × 527,565.72
  4. Step 4: Simplify right side
    957,285.30x = 696,939,206,670.67
  5. Step 5: Solve for x
    x = 696,939,206,670.67/957,285.30
  6. Step 6: Final answer
    x = 728,037.09

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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.