Home / 448,733.79-619,481.16-346,529.79

Finding the Fourth Proportional to 448,733.79, 619,481.16 and 346,529.79

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Solution

The fourth proportional to 448,733.79, 619,481.16 and 346,529.79 is: 478,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,733.79 : 619,481.16 = 346,529.79 : x
  2. Step 2: Convert to fraction form
    448,733.79/619,481.16 = 346,529.79/x
  3. Step 3: Cross multiply
    448,733.79x = 619,481.16 × 346,529.79
  4. Step 4: Simplify right side
    448,733.79x = 214,668,676,283.76
  5. Step 5: Solve for x
    x = 214,668,676,283.76/448,733.79
  6. Step 6: Final answer
    x = 478,387.59

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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.