Home / 818,052.20-1,227,134.36-278,088.76

Finding the Fourth Proportional to 818,052.20, 1,227,134.36 and 278,088.76

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Solution

The fourth proportional to 818,052.20, 1,227,134.36 and 278,088.76 is: 417,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,052.20 : 1,227,134.36 = 278,088.76 : x
  2. Step 2: Convert to fraction form
    818,052.20/1,227,134.36 = 278,088.76/x
  3. Step 3: Cross multiply
    818,052.20x = 1,227,134.36 × 278,088.76
  4. Step 4: Simplify right side
    818,052.20x = 341,252,270,153.18
  5. Step 5: Solve for x
    x = 341,252,270,153.18/818,052.20
  6. Step 6: Final answer
    x = 417,152.19

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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.