Home / 499,313.81-748,964.57-475,107.83

Finding the Fourth Proportional to 499,313.81, 748,964.57 and 475,107.83

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Solution

The fourth proportional to 499,313.81, 748,964.57 and 475,107.83 is: 712,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,313.81 : 748,964.57 = 475,107.83 : x
  2. Step 2: Convert to fraction form
    499,313.81/748,964.57 = 475,107.83/x
  3. Step 3: Cross multiply
    499,313.81x = 748,964.57 × 475,107.83
  4. Step 4: Simplify right side
    499,313.81x = 355,838,925,479.22
  5. Step 5: Solve for x
    x = 355,838,925,479.22/499,313.81
  6. Step 6: Final answer
    x = 712,655.89

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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.