Home / 527,037.04-727,310.29-285,319.54

Finding the Fourth Proportional to 527,037.04, 727,310.29 and 285,319.54

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Solution

The fourth proportional to 527,037.04, 727,310.29 and 285,319.54 is: 393,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,037.04 : 727,310.29 = 285,319.54 : x
  2. Step 2: Convert to fraction form
    527,037.04/727,310.29 = 285,319.54/x
  3. Step 3: Cross multiply
    527,037.04x = 727,310.29 × 285,319.54
  4. Step 4: Simplify right side
    527,037.04x = 207,515,837,380.07
  5. Step 5: Solve for x
    x = 207,515,837,380.07/527,037.04
  6. Step 6: Final answer
    x = 393,740.52

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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.