Home / 986,923.28-1,361,953.76-534,214.28

Finding the Fourth Proportional to 986,923.28, 1,361,953.76 and 534,214.28

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Solution

The fourth proportional to 986,923.28, 1,361,953.76 and 534,214.28 is: 737,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,923.28 : 1,361,953.76 = 534,214.28 : x
  2. Step 2: Convert to fraction form
    986,923.28/1,361,953.76 = 534,214.28/x
  3. Step 3: Cross multiply
    986,923.28x = 1,361,953.76 × 534,214.28
  4. Step 4: Simplify right side
    986,923.28x = 727,575,147,291.69
  5. Step 5: Solve for x
    x = 727,575,147,291.69/986,923.28
  6. Step 6: Final answer
    x = 737,215.51

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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.