Home / 534,928.86-738,197.55-308,569.50

Finding the Fourth Proportional to 534,928.86, 738,197.55 and 308,569.50

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Solution

The fourth proportional to 534,928.86, 738,197.55 and 308,569.50 is: 425,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,928.86 : 738,197.55 = 308,569.50 : x
  2. Step 2: Convert to fraction form
    534,928.86/738,197.55 = 308,569.50/x
  3. Step 3: Cross multiply
    534,928.86x = 738,197.55 × 308,569.50
  4. Step 4: Simplify right side
    534,928.86x = 227,785,248,904.73
  5. Step 5: Solve for x
    x = 227,785,248,904.73/534,928.86
  6. Step 6: Final answer
    x = 425,823.44

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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.