Home / 751,623.53-1,037,282.85-445,880.93

Finding the Fourth Proportional to 751,623.53, 1,037,282.85 and 445,880.93

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Solution

The fourth proportional to 751,623.53, 1,037,282.85 and 445,880.93 is: 615,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,623.53 : 1,037,282.85 = 445,880.93 : x
  2. Step 2: Convert to fraction form
    751,623.53/1,037,282.85 = 445,880.93/x
  3. Step 3: Cross multiply
    751,623.53x = 1,037,282.85 × 445,880.93
  4. Step 4: Simplify right side
    751,623.53x = 462,504,636,644.64
  5. Step 5: Solve for x
    x = 462,504,636,644.64/751,623.53
  6. Step 6: Final answer
    x = 615,340.82

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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.