Home / 899,217.38-1,240,405.27-576,563.81

Finding the Fourth Proportional to 899,217.38, 1,240,405.27 and 576,563.81

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Solution

The fourth proportional to 899,217.38, 1,240,405.27 and 576,563.81 is: 795,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,217.38 : 1,240,405.27 = 576,563.81 : x
  2. Step 2: Convert to fraction form
    899,217.38/1,240,405.27 = 576,563.81/x
  3. Step 3: Cross multiply
    899,217.38x = 1,240,405.27 × 576,563.81
  4. Step 4: Simplify right side
    899,217.38x = 715,172,780,771.84
  5. Step 5: Solve for x
    x = 715,172,780,771.84/899,217.38
  6. Step 6: Final answer
    x = 795,328.02

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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.