Home / 986,613.88-1,361,527.16-533,904.88

Finding the Fourth Proportional to 986,613.88, 1,361,527.16 and 533,904.88

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Solution

The fourth proportional to 986,613.88, 1,361,527.16 and 533,904.88 is: 736,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,613.88 : 1,361,527.16 = 533,904.88 : x
  2. Step 2: Convert to fraction form
    986,613.88/1,361,527.16 = 533,904.88/x
  3. Step 3: Cross multiply
    986,613.88x = 1,361,527.16 × 533,904.88
  4. Step 4: Simplify right side
    986,613.88x = 726,925,994,976.54
  5. Step 5: Solve for x
    x = 726,925,994,976.54/986,613.88
  6. Step 6: Final answer
    x = 736,788.74

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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.