Home / 756,313.64-1,043,707.82-416,782.16

Finding the Fourth Proportional to 756,313.64, 1,043,707.82 and 416,782.16

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Solution

The fourth proportional to 756,313.64, 1,043,707.82 and 416,782.16 is: 575,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,313.64 : 1,043,707.82 = 416,782.16 : x
  2. Step 2: Convert to fraction form
    756,313.64/1,043,707.82 = 416,782.16/x
  3. Step 3: Cross multiply
    756,313.64x = 1,043,707.82 × 416,782.16
  4. Step 4: Simplify right side
    756,313.64x = 434,998,799,628.49
  5. Step 5: Solve for x
    x = 434,998,799,628.49/756,313.64
  6. Step 6: Final answer
    x = 575,156.62

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Double scale
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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.