Home / 810,586.56-1,216,011.98-249,621.06

Finding the Fourth Proportional to 810,586.56, 1,216,011.98 and 249,621.06

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Solution

The fourth proportional to 810,586.56, 1,216,011.98 and 249,621.06 is: 374,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,586.56 : 1,216,011.98 = 249,621.06 : x
  2. Step 2: Convert to fraction form
    810,586.56/1,216,011.98 = 249,621.06/x
  3. Step 3: Cross multiply
    810,586.56x = 1,216,011.98 × 249,621.06
  4. Step 4: Simplify right side
    810,586.56x = 303,542,198,172.19
  5. Step 5: Solve for x
    x = 303,542,198,172.19/810,586.56
  6. Step 6: Final answer
    x = 374,472.28

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.