Home / 986,613.28-1,361,527.54-533,904.28

Finding the Fourth Proportional to 986,613.28, 1,361,527.54 and 533,904.28

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Solution

The fourth proportional to 986,613.28, 1,361,527.54 and 533,904.28 is: 736,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,613.28 : 1,361,527.54 = 533,904.28 : x
  2. Step 2: Convert to fraction form
    986,613.28/1,361,527.54 = 533,904.28/x
  3. Step 3: Cross multiply
    986,613.28x = 1,361,527.54 × 533,904.28
  4. Step 4: Simplify right side
    986,613.28x = 726,925,380,943.87
  5. Step 5: Solve for x
    x = 726,925,380,943.87/986,613.28
  6. Step 6: Final answer
    x = 736,788.56

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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.