Home / 953,439.99-1,315,754.99-523,729.72

Finding the Fourth Proportional to 953,439.99, 1,315,754.99 and 523,729.72

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Solution

The fourth proportional to 953,439.99, 1,315,754.99 and 523,729.72 is: 722,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,439.99 : 1,315,754.99 = 523,729.72 : x
  2. Step 2: Convert to fraction form
    953,439.99/1,315,754.99 = 523,729.72/x
  3. Step 3: Cross multiply
    953,439.99x = 1,315,754.99 × 523,729.72
  4. Step 4: Simplify right side
    953,439.99x = 689,099,992,501.30
  5. Step 5: Solve for x
    x = 689,099,992,501.30/953,439.99
  6. Step 6: Final answer
    x = 722,751.30

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1.5x scale

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.