Home / 757,716.54-1,045,784.19-451,812.54

Finding the Fourth Proportional to 757,716.54, 1,045,784.19 and 451,812.54

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Solution

The fourth proportional to 757,716.54, 1,045,784.19 and 451,812.54 is: 623,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,716.54 : 1,045,784.19 = 451,812.54 : x
  2. Step 2: Convert to fraction form
    757,716.54/1,045,784.19 = 451,812.54/x
  3. Step 3: Cross multiply
    757,716.54x = 1,045,784.19 × 451,812.54
  4. Step 4: Simplify right side
    757,716.54x = 472,498,411,175.74
  5. Step 5: Solve for x
    x = 472,498,411,175.74/757,716.54
  6. Step 6: Final answer
    x = 623,582.02

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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.