Home / 533,928.87-736,856.06-307,570.47

Finding the Fourth Proportional to 533,928.87, 736,856.06 and 307,570.47

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Solution

The fourth proportional to 533,928.87, 736,856.06 and 307,570.47 is: 424,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,928.87 : 736,856.06 = 307,570.47 : x
  2. Step 2: Convert to fraction form
    533,928.87/736,856.06 = 307,570.47/x
  3. Step 3: Cross multiply
    533,928.87x = 736,856.06 × 307,570.47
  4. Step 4: Simplify right side
    533,928.87x = 226,635,163,158.70
  5. Step 5: Solve for x
    x = 226,635,163,158.70/533,928.87
  6. Step 6: Final answer
    x = 424,466.96

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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.