Home / 566,136.81-780,614.28-451,325.72

Finding the Fourth Proportional to 566,136.81, 780,614.28 and 451,325.72

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Solution

The fourth proportional to 566,136.81, 780,614.28 and 451,325.72 is: 622,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,136.81 : 780,614.28 = 451,325.72 : x
  2. Step 2: Convert to fraction form
    566,136.81/780,614.28 = 451,325.72/x
  3. Step 3: Cross multiply
    566,136.81x = 780,614.28 × 451,325.72
  4. Step 4: Simplify right side
    566,136.81x = 352,311,303,914.82
  5. Step 5: Solve for x
    x = 352,311,303,914.82/566,136.81
  6. Step 6: Final answer
    x = 622,307.71

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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.