Home / 811,762.94-1,217,284.46-432,613.00

Finding the Fourth Proportional to 811,762.94, 1,217,284.46 and 432,613.00

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Solution

The fourth proportional to 811,762.94, 1,217,284.46 and 432,613.00 is: 648,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,762.94 : 1,217,284.46 = 432,613.00 : x
  2. Step 2: Convert to fraction form
    811,762.94/1,217,284.46 = 432,613.00/x
  3. Step 3: Cross multiply
    811,762.94x = 1,217,284.46 × 432,613.00
  4. Step 4: Simplify right side
    811,762.94x = 526,613,076,007.56
  5. Step 5: Solve for x
    x = 526,613,076,007.56/811,762.94
  6. Step 6: Final answer
    x = 648,727.67

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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.