Home / 634,111.30-875,046.09-379,602.82

Finding the Fourth Proportional to 634,111.30, 875,046.09 and 379,602.82

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Solution

The fourth proportional to 634,111.30, 875,046.09 and 379,602.82 is: 523,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,111.30 : 875,046.09 = 379,602.82 : x
  2. Step 2: Convert to fraction form
    634,111.30/875,046.09 = 379,602.82/x
  3. Step 3: Cross multiply
    634,111.30x = 875,046.09 × 379,602.82
  4. Step 4: Simplify right side
    634,111.30x = 332,169,963,393.97
  5. Step 5: Solve for x
    x = 332,169,963,393.97/634,111.30
  6. Step 6: Final answer
    x = 523,835.43

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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.