Home / 413,284.12-619,334.70-235,423.60

Finding the Fourth Proportional to 413,284.12, 619,334.70 and 235,423.60

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Solution

The fourth proportional to 413,284.12, 619,334.70 and 235,423.60 is: 352,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,284.12 : 619,334.70 = 235,423.60 : x
  2. Step 2: Convert to fraction form
    413,284.12/619,334.70 = 235,423.60/x
  3. Step 3: Cross multiply
    413,284.12x = 619,334.70 × 235,423.60
  4. Step 4: Simplify right side
    413,284.12x = 145,806,004,678.92
  5. Step 5: Solve for x
    x = 145,806,004,678.92/413,284.12
  6. Step 6: Final answer
    x = 352,798.47

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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.