Home / 957,390.30-1,321,192.08-527,670.72

Finding the Fourth Proportional to 957,390.30, 1,321,192.08 and 527,670.72

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Solution

The fourth proportional to 957,390.30, 1,321,192.08 and 527,670.72 is: 728,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,390.30 : 1,321,192.08 = 527,670.72 : x
  2. Step 2: Convert to fraction form
    957,390.30/1,321,192.08 = 527,670.72/x
  3. Step 3: Cross multiply
    957,390.30x = 1,321,192.08 × 527,670.72
  4. Step 4: Simplify right side
    957,390.30x = 697,154,376,111.90
  5. Step 5: Solve for x
    x = 697,154,376,111.90/957,390.30
  6. Step 6: Final answer
    x = 728,181.99

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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.