Home / 957,255.40-1,321,009.38-527,535.40

Finding the Fourth Proportional to 957,255.40, 1,321,009.38 and 527,535.40

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Solution

The fourth proportional to 957,255.40, 1,321,009.38 and 527,535.40 is: 727,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,255.40 : 1,321,009.38 = 527,535.40 : x
  2. Step 2: Convert to fraction form
    957,255.40/1,321,009.38 = 527,535.40/x
  3. Step 3: Cross multiply
    957,255.40x = 1,321,009.38 × 527,535.40
  4. Step 4: Simplify right side
    957,255.40x = 696,879,211,682.05
  5. Step 5: Solve for x
    x = 696,879,211,682.05/957,255.40
  6. Step 6: Final answer
    x = 727,997.16

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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.