Home / 775,509.66-1,070,356.91-503,195.34

Finding the Fourth Proportional to 775,509.66, 1,070,356.91 and 503,195.34

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Solution

The fourth proportional to 775,509.66, 1,070,356.91 and 503,195.34 is: 694,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,509.66 : 1,070,356.91 = 503,195.34 : x
  2. Step 2: Convert to fraction form
    775,509.66/1,070,356.91 = 503,195.34/x
  3. Step 3: Cross multiply
    775,509.66x = 1,070,356.91 × 503,195.34
  4. Step 4: Simplify right side
    775,509.66x = 538,598,606,732.82
  5. Step 5: Solve for x
    x = 538,598,606,732.82/775,509.66
  6. Step 6: Final answer
    x = 694,509.22

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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.