Home / 755,845.65-1,043,066.94-416,313.90

Finding the Fourth Proportional to 755,845.65, 1,043,066.94 and 416,313.90

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Solution

The fourth proportional to 755,845.65, 1,043,066.94 and 416,313.90 is: 574,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,845.65 : 1,043,066.94 = 416,313.90 : x
  2. Step 2: Convert to fraction form
    755,845.65/1,043,066.94 = 416,313.90/x
  3. Step 3: Cross multiply
    755,845.65x = 1,043,066.94 × 416,313.90
  4. Step 4: Simplify right side
    755,845.65x = 434,243,265,752.47
  5. Step 5: Solve for x
    x = 434,243,265,752.47/755,845.65
  6. Step 6: Final answer
    x = 574,513.15

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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.