Home / 527,235.84-727,584.02-285,518.35

Finding the Fourth Proportional to 527,235.84, 727,584.02 and 285,518.35

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Solution

The fourth proportional to 527,235.84, 727,584.02 and 285,518.35 is: 394,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,235.84 : 727,584.02 = 285,518.35 : x
  2. Step 2: Convert to fraction form
    527,235.84/727,584.02 = 285,518.35/x
  3. Step 3: Cross multiply
    527,235.84x = 727,584.02 × 285,518.35
  4. Step 4: Simplify right side
    527,235.84x = 207,738,588,876.77
  5. Step 5: Solve for x
    x = 207,738,588,876.77/527,235.84
  6. Step 6: Final answer
    x = 394,014.54

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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.