Home / 986,609.35-1,361,525.12-533,900.35

Finding the Fourth Proportional to 986,609.35, 1,361,525.12 and 533,900.35

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Solution

The fourth proportional to 986,609.35, 1,361,525.12 and 533,900.35 is: 736,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,609.35 : 1,361,525.12 = 533,900.35 : x
  2. Step 2: Convert to fraction form
    986,609.35/1,361,525.12 = 533,900.35/x
  3. Step 3: Cross multiply
    986,609.35x = 1,361,525.12 × 533,900.35
  4. Step 4: Simplify right side
    986,609.35x = 726,918,738,101.79
  5. Step 5: Solve for x
    x = 726,918,738,101.79/986,609.35
  6. Step 6: Final answer
    x = 736,784.77

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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.