Home / 784,009.45-1,081,801.90-461,783.71

Finding the Fourth Proportional to 784,009.45, 1,081,801.90 and 461,783.71

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Solution

The fourth proportional to 784,009.45, 1,081,801.90 and 461,783.71 is: 637,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,009.45 : 1,081,801.90 = 461,783.71 : x
  2. Step 2: Convert to fraction form
    784,009.45/1,081,801.90 = 461,783.71/x
  3. Step 3: Cross multiply
    784,009.45x = 1,081,801.90 × 461,783.71
  4. Step 4: Simplify right side
    784,009.45x = 499,558,488,113.86
  5. Step 5: Solve for x
    x = 499,558,488,113.86/784,009.45
  6. Step 6: Final answer
    x = 637,184.27

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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.