Home / 533,315.93-736,161.23-307,051.61

Finding the Fourth Proportional to 533,315.93, 736,161.23 and 307,051.61

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Solution

The fourth proportional to 533,315.93, 736,161.23 and 307,051.61 is: 423,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,315.93 : 736,161.23 = 307,051.61 : x
  2. Step 2: Convert to fraction form
    533,315.93/736,161.23 = 307,051.61/x
  3. Step 3: Cross multiply
    533,315.93x = 736,161.23 × 307,051.61
  4. Step 4: Simplify right side
    533,315.93x = 226,039,489,355.82
  5. Step 5: Solve for x
    x = 226,039,489,355.82/533,315.93
  6. Step 6: Final answer
    x = 423,837.87

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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.