Home / 611,834.28-917,749.50-162,600.36

Finding the Fourth Proportional to 611,834.28, 917,749.50 and 162,600.36

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Solution

The fourth proportional to 611,834.28, 917,749.50 and 162,600.36 is: 243,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,834.28 : 917,749.50 = 162,600.36 : x
  2. Step 2: Convert to fraction form
    611,834.28/917,749.50 = 162,600.36/x
  3. Step 3: Cross multiply
    611,834.28x = 917,749.50 × 162,600.36
  4. Step 4: Simplify right side
    611,834.28x = 149,226,399,089.82
  5. Step 5: Solve for x
    x = 149,226,399,089.82/611,834.28
  6. Step 6: Final answer
    x = 243,900.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.