Home / 741,280.57-1,022,875.77-526,342.21

Finding the Fourth Proportional to 741,280.57, 1,022,875.77 and 526,342.21

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Solution

The fourth proportional to 741,280.57, 1,022,875.77 and 526,342.21 is: 726,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,280.57 : 1,022,875.77 = 526,342.21 : x
  2. Step 2: Convert to fraction form
    741,280.57/1,022,875.77 = 526,342.21/x
  3. Step 3: Cross multiply
    741,280.57x = 1,022,875.77 × 526,342.21
  4. Step 4: Simplify right side
    741,280.57x = 538,382,693,337.25
  5. Step 5: Solve for x
    x = 538,382,693,337.25/741,280.57
  6. Step 6: Final answer
    x = 726,287.34

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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.