Home / 905,366.04-1,356,719.86-455,468.56

Finding the Fourth Proportional to 905,366.04, 1,356,719.86 and 455,468.56

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Solution

The fourth proportional to 905,366.04, 1,356,719.86 and 455,468.56 is: 682,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,366.04 : 1,356,719.86 = 455,468.56 : x
  2. Step 2: Convert to fraction form
    905,366.04/1,356,719.86 = 455,468.56/x
  3. Step 3: Cross multiply
    905,366.04x = 1,356,719.86 × 455,468.56
  4. Step 4: Simplify right side
    905,366.04x = 617,943,240,957.60
  5. Step 5: Solve for x
    x = 617,943,240,957.60/905,366.04
  6. Step 6: Final answer
    x = 682,534.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.