Home / 533,541.81-736,311.30-307,260.21

Finding the Fourth Proportional to 533,541.81, 736,311.30 and 307,260.21

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Solution

The fourth proportional to 533,541.81, 736,311.30 and 307,260.21 is: 424,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,541.81 : 736,311.30 = 307,260.21 : x
  2. Step 2: Convert to fraction form
    533,541.81/736,311.30 = 307,260.21/x
  3. Step 3: Cross multiply
    533,541.81x = 736,311.30 × 307,260.21
  4. Step 4: Simplify right side
    533,541.81x = 226,239,164,663.37
  5. Step 5: Solve for x
    x = 226,239,164,663.37/533,541.81
  6. Step 6: Final answer
    x = 424,032.68

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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.