Home / 784,011.45-1,081,804.66-461,785.71

Finding the Fourth Proportional to 784,011.45, 1,081,804.66 and 461,785.71

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Solution

The fourth proportional to 784,011.45, 1,081,804.66 and 461,785.71 is: 637,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,011.45 : 1,081,804.66 = 461,785.71 : x
  2. Step 2: Convert to fraction form
    784,011.45/1,081,804.66 = 461,785.71/x
  3. Step 3: Cross multiply
    784,011.45x = 1,081,804.66 × 461,785.71
  4. Step 4: Simplify right side
    784,011.45x = 499,561,932,999.41
  5. Step 5: Solve for x
    x = 499,561,932,999.41/784,011.45
  6. Step 6: Final answer
    x = 637,187.04

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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.