Home / 957,635.65-1,321,528.53-527,915.78

Finding the Fourth Proportional to 957,635.65, 1,321,528.53 and 527,915.78

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Solution

The fourth proportional to 957,635.65, 1,321,528.53 and 527,915.78 is: 728,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,635.65 : 1,321,528.53 = 527,915.78 : x
  2. Step 2: Convert to fraction form
    957,635.65/1,321,528.53 = 527,915.78/x
  3. Step 3: Cross multiply
    957,635.65x = 1,321,528.53 × 527,915.78
  4. Step 4: Simplify right side
    957,635.65x = 697,655,764,707.20
  5. Step 5: Solve for x
    x = 697,655,764,707.20/957,635.65
  6. Step 6: Final answer
    x = 728,519.00

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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.