Home / 866,036.32-1,299,107.63-333,558.92

Finding the Fourth Proportional to 866,036.32, 1,299,107.63 and 333,558.92

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Solution

The fourth proportional to 866,036.32, 1,299,107.63 and 333,558.92 is: 500,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,036.32 : 1,299,107.63 = 333,558.92 : x
  2. Step 2: Convert to fraction form
    866,036.32/1,299,107.63 = 333,558.92/x
  3. Step 3: Cross multiply
    866,036.32x = 1,299,107.63 × 333,558.92
  4. Step 4: Simplify right side
    866,036.32x = 433,328,942,108.23
  5. Step 5: Solve for x
    x = 433,328,942,108.23/866,036.32
  6. Step 6: Final answer
    x = 500,358.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.