Home / 756,945.91-1,134,133.57-456,795.78

Finding the Fourth Proportional to 756,945.91, 1,134,133.57 and 456,795.78

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Solution

The fourth proportional to 756,945.91, 1,134,133.57 and 456,795.78 is: 684,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,945.91 : 1,134,133.57 = 456,795.78 : x
  2. Step 2: Convert to fraction form
    756,945.91/1,134,133.57 = 456,795.78/x
  3. Step 3: Cross multiply
    756,945.91x = 1,134,133.57 × 456,795.78
  4. Step 4: Simplify right side
    756,945.91x = 518,067,428,732.34
  5. Step 5: Solve for x
    x = 518,067,428,732.34/756,945.91
  6. Step 6: Final answer
    x = 684,418.03

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Double scale
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1.5x scale

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.