Home / 743,143.14-1,025,850.69-501,752.34

Finding the Fourth Proportional to 743,143.14, 1,025,850.69 and 501,752.34

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Solution

The fourth proportional to 743,143.14, 1,025,850.69 and 501,752.34 is: 692,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,143.14 : 1,025,850.69 = 501,752.34 : x
  2. Step 2: Convert to fraction form
    743,143.14/1,025,850.69 = 501,752.34/x
  3. Step 3: Cross multiply
    743,143.14x = 1,025,850.69 × 501,752.34
  4. Step 4: Simplify right side
    743,143.14x = 514,722,984,198.12
  5. Step 5: Solve for x
    x = 514,722,984,198.12/743,143.14
  6. Step 6: Final answer
    x = 692,629.67

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Half scale
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Double scale
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Similar ratio
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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.