Home / 824,130.86-1,236,212.69-541,622.40

Finding the Fourth Proportional to 824,130.86, 1,236,212.69 and 541,622.40

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Solution

The fourth proportional to 824,130.86, 1,236,212.69 and 541,622.40 is: 812,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,130.86 : 1,236,212.69 = 541,622.40 : x
  2. Step 2: Convert to fraction form
    824,130.86/1,236,212.69 = 541,622.40/x
  3. Step 3: Cross multiply
    824,130.86x = 1,236,212.69 × 541,622.40
  4. Step 4: Simplify right side
    824,130.86x = 669,560,476,724.35
  5. Step 5: Solve for x
    x = 669,560,476,724.35/824,130.86
  6. Step 6: Final answer
    x = 812,444.37

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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.