Home / 880,358.32-1,214,899.56-517,797.52

Finding the Fourth Proportional to 880,358.32, 1,214,899.56 and 517,797.52

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Solution

The fourth proportional to 880,358.32, 1,214,899.56 and 517,797.52 is: 714,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,358.32 : 1,214,899.56 = 517,797.52 : x
  2. Step 2: Convert to fraction form
    880,358.32/1,214,899.56 = 517,797.52/x
  3. Step 3: Cross multiply
    880,358.32x = 1,214,899.56 × 517,797.52
  4. Step 4: Simplify right side
    880,358.32x = 629,071,979,217.09
  5. Step 5: Solve for x
    x = 629,071,979,217.09/880,358.32
  6. Step 6: Final answer
    x = 714,563.56

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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.