Home / 534,848.76-738,068.22-319,861.80

Finding the Fourth Proportional to 534,848.76, 738,068.22 and 319,861.80

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Solution

The fourth proportional to 534,848.76, 738,068.22 and 319,861.80 is: 441,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,848.76 : 738,068.22 = 319,861.80 : x
  2. Step 2: Convert to fraction form
    534,848.76/738,068.22 = 319,861.80/x
  3. Step 3: Cross multiply
    534,848.76x = 738,068.22 × 319,861.80
  4. Step 4: Simplify right side
    534,848.76x = 236,079,829,372.00
  5. Step 5: Solve for x
    x = 236,079,829,372.00/534,848.76
  6. Step 6: Final answer
    x = 441,395.49

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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.