Home / 726,933.60-1,003,151.71-455,151.33

Finding the Fourth Proportional to 726,933.60, 1,003,151.71 and 455,151.33

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Solution

The fourth proportional to 726,933.60, 1,003,151.71 and 455,151.33 is: 628,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,933.60 : 1,003,151.71 = 455,151.33 : x
  2. Step 2: Convert to fraction form
    726,933.60/1,003,151.71 = 455,151.33/x
  3. Step 3: Cross multiply
    726,933.60x = 1,003,151.71 × 455,151.33
  4. Step 4: Simplify right side
    726,933.60x = 456,585,833,860.40
  5. Step 5: Solve for x
    x = 456,585,833,860.40/726,933.60
  6. Step 6: Final answer
    x = 628,098.40

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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.